Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Digitalisierung bei der Produktion von Solar- und Batteriezellen
Preu, R.; Rein, S.; Zimmer, M.; Fleischer, J.; Weinmann, H.; Hofmann, J.
Conference Paper
2018Bifacial p-type silicon shingle solar cells - the "pSPEER" concept
Baliozian, P.; Lohmüller, E.; Fellmeth, T.; Wöhrle, N.; Krieg, A.; Preu, R.
Journal Article
2018Bifacial pSPEER Solar Cells for Shingle Modules
Baliozian, P.; Fellmeth, T.; Wöhrle, N.; Lohmüller, E.; Preu, R.
Conference Paper
2018Bifacial shingle solar cells on p-type Cz-Si (pSPEER)
Baliozian, P.; Lohmüller, E.; Fellmeth, T.; Wöhrle, N.; Krieg, A.; Preu, R.
Conference Paper
2018Digitalisierung bei der Produktion von Solar- und Batteriezellen
Preu, R.; Rein, S.; Zimmer, M.; Fleischer, J.; Weinmann, H.; Hofmann, J.
Presentation
2018Emitter Formation and Passivation Dependence on Crystal Grain Orientations after Atmospheric Pressure Dry Nanotexturing
Ridoy, A.I.; Kafle, B.; Saint-Cast, P.; Lohmüller, S.; Norouzi, M.H.; Clochard, L.; Duffy, E.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2018Impact of solidification dynamics on crystal properties of silicon molten by a nanosecond laser pulse
Meyer, F.; Büchler, A.; Brand, A.A.; Dasa, M.K.; Nekarda, J.F.; Preu, R.
Journal Article
2018Industry related approaches for bifacial p-type PERX solar cells
Fellmeth, T.; Meier, S.; Lohmüller, E.; Wöhrle, N.; Spribille, A.; Lohmüller, S.; Saint-Cast, P.; Wolf, A.; Clement, F.; Rein, S.; Preu, R.; Nakahara, M.; Dhamrin, M.; Knauss, H.; Haverkamp, H.; Steckemetz, S.; Bitnar, B.; Weber, T.; Palinginis, P.; Neuhaus, H.
Journal Article, Conference Paper
2018Metallization Fraction of Bifacial pSPEER Shingle Solar Cells
Al-Akash, M.; Baliozian, P.; Lohmüller, E.; Fellmeth, T.; Wöhrle, N.; Preu, R.
Conference Paper
2018Verfahren zum Anheften einer metallischen Folie an eine Oberfläche eines Halbleitersubstrats und Halbleiterbauelement mit einer metallischen Folie
Graf, Martin; Nekarda, Jan; Preu, Ralf
Patent
2017Analysis of the losses of industrial-type PERC solar cells
Saint-Cast, P.; Werner, S.; Greulich, J.; Jäger, U.; Lohmüller, E.; Höffler, H.; Preu, R.
Journal Article
2017The development of shingled cells and modules
Preu, R.
Presentation
2017High throughput printing for highly efficient cost-effective Si solar cells
Clement, F.; Lorenz, A.; Pospischil, M.; Biro, D.; Brocker, H.; Bangel, D.; Greutmann, R.; Lehner, M.; Ott, T.; Hage, F.; Oppelt, K.; Honold, T.; Wende, L.; Ringel, M.; Senne, A.; Rohde, J.; Preu, R.
Conference Paper
2017Increasing the efficiency of multicrystalline silicon PERC solar cells from currently 19% to 20%
Greulich, J.; Lohmüller, E.; Saint-Cast, P.; Werner, S.; Wasmer, S.; Horst, A.J. van der; Preu, R.
Conference Paper
2017Key aspects for fabrication of p-type Cz-Si PERC solar cells exceeding 22% conversion efficiency
Werner, S.; Lohmüller, E.; Saint-Cast, P.; Greulich, J.M.; Weber, J.; Schmidt, S.; Moldovan, A.; Brand, A.A.; Dannenberg, T.; Mack, S.; Wasmer, S.; Demant, M.; Linse, M.; Ackermann, R.; Wolf, A.; Preu, R.
Conference Paper
2017Metallization of passivating and carrier selective contacts: Status and perspectives at Fraunhofer ISE
Bivour, M.; Bartsch, J.; Clement, F.; Cimiotti, G.; Erath, D.; Feldmann, F.; Fellmeth, T.; Glatthaar, M.; Hermle, M.; Jahn, M.; Kluska, S.; Keding, R.; Lorenz, A.; Lacmago Lontchi, I.-C.; Mack, S.; Moldovan, A.; Nekarda, J.; Pospischil, M.; Rodofili, A.; Rentsch, J.; Steinhauser, B.; Schube, J.; Wolke, W.; Preu, R.; Glunz, S.W.
Conference Paper
2017A new pilot research facility for HJT and selective contact solar cells - PV-TEC SELECT
Rentsch, J.; Bivour, M.; Erath, D.; Feldmann, F.; Fischer, A.; Mack, S.; Moldovan, A.; Temmler, J.; Hermle, M.; Glunz, S.W.; Preu, R.
Conference Paper
2017Passivierte Siliciummaterialien für Li-Ionenbatteriezellen
Gentischer, H.; Hulitz, S.; Mader, M.; Singh, R.; Keding, R.; Preu, R.; Biro, D.
Presentation
2017Predicting bulk lifetime values by applying wet chemistry H-termination for inline quality control of silicon wafers
Al-Hajjawi, S.; Haunschild, J.; Zimmer, M.; Dannenberg, T.; Preu, R.
Conference Paper, Journal Article
2017Rear passivated mc-Si solar cells textured by atmospheric pressure dry etching
Saint-Cast, P.; Kafle, B.; Pandey, R.; Ridoy, A.I.; Hofmann, M.; Clochard, L.; Schwarze, T.; Pittroff, M.; Rentsch, J.; Preu, R.
Journal Article, Conference Paper
2017The SPEER solar cell - simulation study of shingled bifacial PERC-technology-based stripe cells
Wöhrle, N.; Fellmeth, T.; Lohmüller, E.; Baliozian, P.; Fell, A.; Preu, R.
Conference Paper
2017Technical and economic potential of PV in Lebanon and Jordan aiming for regional readiness level development
Haidar, M.; Baliozian, P.; Mustafa, A.; Mourad, S.; Preu, R.
Conference Paper
2016biPERC silicon solar cells enabling bifacial applications for industrial solar cells with passivated rear sides
Krauss, K.; Fertig, F.; Greulich, J.; Rein, S.; Preu, R.
Journal Article
2016Economic feasibility of bifacial silicon solar cells
Fertig, F.; Nold, S.; Wöhrle, N.; Greulich, J.; Hädrich, I.; Krauß, K.; Mittag, M.; Biro, D.; Rein, S.; Preu, R.
Journal Article
2016The influence of nitrogen on laser doping from phosphorous doped a-SiNx layers
Steinhauser, B.; Jäger, U.; Benick, J.; Chong, E.; Lam, J.; Steeman, R.; Rostan, H.; Nekarda, J.; Hermle, M.; Preu, R.; Glunz, S.W.
Journal Article
2016Photovoltaic Development Standardizing Based on Roadmaps and Technology Readiness Levels
Baliozian, P.; Mourad, S.; Morse, D.; Kim, S.; Friedrich, L.; Preu, R.
Conference Paper
2016Photovoltaische Solarzelle
Krauß, Karin; Fertig, Fabian; Preu, Ralf; Jäger, Ulrich; Werner, Sabrina
Patent
2016Plasma-Free Dry-Chemical Texturing Process for High-Efficiency Multicrystalline Silicon Solar Cells
Kafle, B.; Freund, T.; Mannan, A.; Clochard, L.; Duffy, E.; Werner, S.; Saint-Cast, P.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper, Journal Article
2016Status of FolMet Technology: How to Produce PERC Cells More Cheaply than Al-BSF Cells
Nekarda, J.; Graf, M.; John, O.; Nold, S.; Nagel, H.; Eberlein, D.; Kraf,t A.; Böhme, R.; Streek, A.; Preu, R.
Journal Article
2015Comprehensive comparison of different fine line printing technologies addressing the seed and plate approach with Ni-Cu-plating
Lorenz, A.; Kraft, A.; Gredy, C.; Filipovic, A.; Binder, S.; Krüger, K.; Bartsch, J.; Clement, F.; Biro, D.; Preu, R.; Reinecke, H.
Conference Paper
2015Comprehensive simulation and acceleration of the foil-metallization laser process
Graf, M.; Nekarda, J.; Lazzarotto Togny, F.; Streek, A.; Böhme, R.; Preu, R.
Journal Article, Conference Paper
2015Foil metallization process for PERC solar cells towards industrial feasibility
Graf, M.; Eberlein, D.; Nagel, H.; Nekarda, J.; Böhme, R.; Streek, A.; Preu, R.
Conference Paper
2015Impact of texture roughness on the front-side metallization of stencil-printed silicon solar cells
Lorenz, A.; Strauch, T.; Demant, M.; Fellmeth, T.; Barnes Hofmeister, T.; Linse, M.; Dannenberg, T.; Seiffe, J.; Clement, F.; Biro, D.; Reinecke, H.; Preu, R.
Journal Article
2015Nanotextured multicrystalline Al-BSF solar cells reaching 18% conversion efficiency using industrially viable solar cell processes
Bishal, K.; Mannan, A.; Freund, T.; Clochard, L.; Duffy, E.; Hofmann, M.; Rentsch, J.; Preu, R.
Journal Article
2015Progress on industrial solar cell front side metallization by parallel dispensing technology
Pospischil, M.; Kuchler, M.; Klawitter, M.; Efinger, R.; Rodriguez, C.; Padilla, A.; Gentischer, H.; König, M.; Hörteis, M.; Wende, L.; Mette, A.; Clement, F.; Preu, R.; Biro, D.
Conference Paper
2014Advanced metallization concepts for p-type silicon Metal-Wrap-Through (MWT) solar cells
Hendrichs, M.; Thaidigsmann, B.; Lohmüller, E.; Nold, S.; Clement, F.; Biro, D.; Rech, B.; Preu, R.
Journal Article
2014The BOSCO cell concept: Bifacial operation with double-sided collection
Fertig, F.; Krauß, K.; Greulich, J.; Clement, F.; Biro, D.; Preu, R.; Rein, S.
Conference Paper
2014The BOSCO solar cell - a both sides collecting and contacted structure
Fertig, F.; Krauß, K.; Greulich, J.; Clement, F.; Biro, D.; Preu, R.; Rein, S.
Journal Article
2014The BOSCO Solar Cell: Double-sided Collection and Bifacial Operation
Fertig, F.; Krauß, K.; Greulich, J.; Clement, F.; Biro, D.; Preu, R.; Rein, S.
Journal Article, Conference Paper
2014The BOSCO solar cell: Simulation and experiment
Fertig, F.; Greulich, J.; Krauss, K.; Clement, F.; Biro, D.; Preu, R.; Rein, S.
Journal Article
2014Influence of rear-side passivation on solar cell performance of bosco solar cells
Krauß, K.; Fertig, F.; Greulich, J.; Clement, F.; Biro, D.; Preu, R.; Rein, S.
Conference Paper
2014Investigations on the passivation mechanism of AlN:H and AlN:H-SiN:H stacks
Krugel, G.; Jenkner, F.; Moldovan, A.; Wolke, W.; Rentsch, J.; Preu, R.
Journal Article, Conference Paper
2014Laserbasiertes Verfahren und Bearbeitungstisch zur lokalen Kontaktierung eines Halbleiterbauelements
Nekarda, Jan; Rodofili, Andreas; Brand, Andreas; Graf, Martin; Preu, Ralf
Patent
2014Laserbasiertes Verfahren und Bearbeitungstisch zur Metallisierung der Rückseite eines Halbleiterbauelements
Hauser, Hubert; Nekarda, Jan; Preu, Ralf; Bläsi, Benedikt
Patent
2014Optimization of multi-layer metallization design for large-area back-contact back-junction solar cells
Hendrichs, M.; Keding, R.; Spribille, A.; Fellmeth, T.; Nold, S.; Clement, F.; Wolf, A.; Biro, D.; Preu, R.
Conference Paper
2014PECVD Al2O3 for Surface Passivation: A Review of Solar Cell and Thin Layer Characteristics Silicon Solar Cell
Kühnhold, S.; Saint-Cast, P.; Hofmann, M.; Paramanathan, R.; El-Safoury, M.; Kafle, B.; Kania, D.; Weiss, L.; Heo, Y.-H.; Billot, E.; Olwal, P.; Rentsch, J.; Preu, R.
Conference Paper
2014Progress in laser-based foil metallization for industrial PERC solar cells
Graf, M.; Nekarda, J.; Eberlein, D.; Woehrle, N.; Preu, R.; Böhme, R.; Grosse, T.
Conference Paper
2014Reduction of Picosecond Laser Ablation Threshold and Damage Via Nanosecond Pre-Pulse for Removal of Dielectric Layers on Silicon Solar Cells
Brand, A.; Meyer, F.; Nekarda, J.-F.; Preu, R.
Journal Article
2014Vorrichtung und Verfahren zum Aufbringen einer Aluminiumoxidschicht auf ein Halbleitersubstrat
Saint-Cast, Pierre; Hofmann, Marc; Rentsch, Jochen; Preu, Ralf
Patent
2013Benefit of selective emitters for p-type silicon solar cells with passivated surfaces
Jäger, U.; Mack, S.; Wufka, C.; Wolf, A.; Biro, D.; Preu, R.
Journal Article
2013Cost-optimized metallization layout for metal wrap through (MWT) solar cells and modules
Hendrichs, M.; Thaidigsmann, B.; Fellmeth, T.; Nold, S.; Spribille, A.; Herrmann, P.; Mittag, M.; Hädrich, I.; Eitner, U.; Clement, F.; Biro, D.; Preu, R.
Conference Paper
2013Effects of high-temperature treatment on the hydrogen distribution in silicon oxynitride/silicon nitride stacks for crystalline silicon surface passivation
Schwab, C.; Hofmann, M.; Heller, R.; Seiffe, J.; Rentsch, J.; Preu, R.
Journal Article
2013Evaluation of cast mono silicon material for thermal oxide passivated solar cells
Schwab, C.; Haunschild, J.; Graf, M.; Wufka, C.; Wolf, A.; Biro, D.; Preu, R.
Journal Article, Conference Paper
2013Evaluation of industrially relevant parameters for contact firing of screen printed front side silver contacts
Hönig, R.; Vössing, D.; Clement, F.; Biro, D.; Preu, R.; Wilde, J.
Journal Article, Conference Paper
2013Investigation of methods for adhesion characterization of evaporated aluminum layers
Kumm, J.; Eberlein, D.; Hartmann, P.; Wolke, W.; Wolf, A.; Preu, R.
Conference Paper
2013Laser doping from borosilicate glass for metallization of boron emitters
Fernandez-Robledo, S.; Jäger, U.; Lohmüller, E.; Nekarda, J.; Preu, R.
Conference Paper
2013Laser-based foil metallization for industrial PERC solar cells
Nekarda, J.; Graf, M.; Rodofili, A.; Preu, R.; Böhme, R.; Sontag, D.
Conference Paper
2013Minimizing the optical cell-to-module losses for MWT-modules
Haedrich, I.; Wiese, M.; Thaidigsman, B.; Eberlein, D.; Clement, F.; Eitner, U.; Preu, R.; Wirth, H.
Conference Paper
2013Multifunctional PECVD layers: Dopant source, passivation, and optics
Seiffe, J.; Pillath, F.; Trogus, D.; Brand, A.; Savio, C.; Hofmann, M.; Rentsch, J.; Preu, R.
Journal Article
2013P-Type MWT solar cells: Current status and future expectations
Thaidigsmann, B.; Hendrichs, M.; Nold, S.; Lohmüller, E.; Wolf, A.; Clement, F.; Biro, D.; Preu, R.
Conference Paper
2013Passivation of solar cell emitters using aluminum nitride
Krugel, G.; Sharma, A.; Moldovan, A.; Wolke, W.; Rentsch, J.; Preu, R.
Conference Paper
2013PECVD Al2O3/a-Si:B as a dopant source and surface passivation
Seiffe, J.; Gahoi, A.; Hofmann, M.; Rentsch, J.; Preu, R.
Journal Article
2013Photovoltaik-Technologiezentren für den beschleunigten Technologietransfer von Instituten zur PV-Industrie
Dullweber, T.; Preu, R.; Rau, B.; Degner, T.
Conference Paper
2013Potential-induced degradation on cell level: The inversion model
Saint-Cast, P.; Nagel, H.; Wagenmann, D.; Schön, J.; Schmitt, P.; Reichel, C.; Glunz, S.W.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2013Recombination and optical properties of wet chemically polished thermal oxide passivated Si surfaces
Schwab, C.; Wolf, A.; Graf, M.; Wöhrle, N.; Greulich, J.; Kühnhold, S.; Kästner, G.; Biro, D.; Preu, R.
Journal Article
2013Study of hydrogenated AlN as an anti-reflective coating and for the effective surface passivation of silicon
Krugel, G.; Sharma, A.; Wolke, W.; Rentsch, J.; Preu, R.
Journal Article
2013Technologies for mass production of > 20% efficient P-Type silicon solar cells
Mack, S.; Wolf, A.; Thaidigsmann, B.; Lohmüller, E.; Jäger, U.; Pospischil, M.; Clement, F.; Eberlein, D.; Preu, R.; Biro, D.
Conference Paper
2013Technology Options for a Multi-Gigawatt Fab in Europe
Preu, R.,
Presentation
2013Wet chemical single-side emitter etch back for MWT solar cells with AL-BSF and challenges for via paste selection
Spribille, A.; Lohmüller, E.; Thaidigsmann, B.; Hamid, R.; Nussbaumer, H.; Clement, F.; Preu, R.
Conference Paper
2012Atomistic simulations of the silicon surface structure at the interface of silver thick film contacts on n-type silicon
Kontermann, S.; Ruf, A.; Preu, R.
Conference Paper
2012Cost modeling of silicon solar cell production innovation along the PV value chain
Nold, S.; Voigt, N.; Friedrich, L.; Weber, D.; Hädrich, I.; Mittag, M.; Wirth, H.; Thaidigsmann, B.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2012Crystalline silicon solar cells: State-of-the-art and future developments
Glunz, S.W.; Preu, R.; Biro, D.
Book Article
2012Erratum: "Comprehensive analytical model for locally contacted rear surface passivated solar cells" [J. Appl. Phys. 108, 124510 (2010)]
Wolf, A.; Biro, D.; Nekarda, J.; Kimmerle, A.; Mack, S.; Preu, R.
Journal Article
2012Evaluation of via pastes for p- and n-type metal wrap through (MWT) solar cells
Lohmüller, E.; Thaidigsmann, B.; Werner, S.; Clement, F.; Wolf, A.; Biro, D.; Preu, R.
Conference Paper
2012High-temperature stability of c-Si surface passivation by thick PECVD Al2O3 with and without hydrogenated capping layers
Saint-Cast, P.; Kania, D.; Heller, R.; Kuehnhold, S.; Hofmann, M.; Rentsch, J.; Preu, R.
Journal Article, Conference Paper
2012HIP-MWT solar cells - pilot-line cell processing and module integration
Drews, A.; Clement, F.; Spribille, A.; Thaidigsmann, B.; Linse, M.; Gutscher, S.; Werner, S.; Reitenbach, V.; Ould Chighali, E.; Wolf, A.; Zimmer, M.; Nekarda, J.; Haedrich, I.; Tranitz, M.; Eitner, U.; Wirth, H.; Wilson, H.R.; Biro, D.; Preu, R.
Conference Paper
2012Impact of thermal treatment on PECVD Al2O3 passivation layers
Kühnhold, S.; Kafle, B.; Kroely, L.; Saint-Cast, P.; Hofmann, M.; Rentsch, J.; Preu, R.
Journal Article, Conference Paper
2012Inline microwave-excited plasma deposition of thin amorphous silicon layers
Jeurink, J.; Morzè, N. von; Kroely, L.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2012Laser based foil rear side metallization for crystalline silicon solar cells
Nekarda, J.; Graf, M.; Rodofili, A.; Wolf, A.; Preu, R.
Conference Paper
2012Laser doping for high efficiency silicon solar cells
Jäger, U.; Wolf, A.; Steinhauser, B.; Benick, J.; Nekarda, J.; Preu, R.
Conference Paper
2012Loss analysis and efficiency potential of p-type MWT-PERC solar cells
Thaidigsmann, Benjamin; Greulich, Johannes; Lohmüller, Elmar; Schmeißer, Simon; Clement, Florian; Wolf, Andreas; Biro, Daniel; Preu, Ralf
Journal Article, Conference Paper
2012Multifunctional PECVD layers - cost analysis of the X-pert approach
Seiffe, J.; Nold, S.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2012MWT solar cell processing by use of isishape® solar etch® SiD for rear contact and edge isolation
Spribille, A.; Greulich, J.; Lohmüller, E.; Clement, F.; Specht, J.; Biro, D.; Preu, R.; Doll, O.; Tüshaus, C.; Stockum, W.; Köhler, I.
Conference Paper
2012Nanosecond laser annealing to decrease the damage of picosecond laser ablation of anti-reflection layers on textured silicon surfaces
Brand, A.; Knorz, A.; Zeidler, R.; Nekarda, J.-F.; Preu, R.
Conference Paper
2012Passivation of inline wet chemically polished surfaces for industrial PERC devices
Schwab, C.; Wolf, A.; Graf, M.; Nekarda, J.; Kästner, G.; Zimmer, M.; Kühnhold, S.; Hofmann, M.; Biro, D.; Preu, R.
Journal Article, Conference Paper
2012The path to industrial production of highly efficient metal wrap through silicon solar cells
Thaidigsmann, Benjamin; Linse, Michael; Wolf, Andreas; Clement, Florian; Biro, Daniel; Preu, Ralf
Journal Article
2012Performance requirements of crack detection systems in silicon solar cell production
Aßmus, M.; Nold, S.; Rein, S.; Hofmann, M.; Rentsch, J.; Preu, R.
Journal Article, Conference Paper
2012Process characterisation of MWT solar cells - a new method to analyse via contacts
Reitenbach, V.; Spitz, M.; Drews, A.; Weiß, M.; Ould Chighali, E.; Thaidigsmann, B.; Lohmüller, E.; Knorz, A.; Clement, F.; Wolf, A.; Biro, D.; Preu, R.
Conference Paper
2012Recombination on locally processed wafer surfaces
Saint-Cast, P.; Nekarda, J.; Hofmann, M.; Kuehnhold, S.; Preu, R.
Journal Article, Conference Paper
2012A review and comparison of one-and two-dimensional simulations of solar cells featuring selective emitters
Greulich, J.; Jäger, U.; Rein, S.; Preu, R.
Journal Article
2012A review of PECVD aluminum oxide for surface passivation
Saint-Cast, P.; Hofmann, M.; Kühnhold, S.; Kania, D.; Weiss, L.; Heo, Y.-H.; Billot, E.; Olwal, P.; Trogus, D.; Rentsch, J.; Preu, R.
Conference Paper
2012Selective emitters in passivated emitter and rear silicon solar cells enabling 20% on large area P-type silicon
Jäger, U.; Mack, S.; Wufka, C.; Wolf, A.; Biro, D.; Nekarda, J.; Preu, R.
Conference Paper
2012Simulating the interface morphology of silver thick film contacts on n-type Si-(100) and Si-(111)
Kontermann, S.; Ruf, A.; Preu, R.; Willeke, G.
Journal Article
2012Sputtered aluminum oxide for rear side passivation of p-type silicon solar cells
Krugl, G.; Wolke, W.; Wagner, F.; Rentsch, J.; Preu, R.
Conference Paper
2012Synergistic effects of rear-surface passivation and the metal wrap through concept
Thaidigsmann, B.; Drews, A.; Fellmeth, T.; Saint-Cast, P.; Wolf, A.; Clement, F.; Biro, D.; Preu, R.
Journal Article
2012Very low surface recombination velocity of boron doped emitter passivated with plasma-enhanced chemical-vapor-deposited AlOx layers
Saint-Cast, P.; Richter, A.; Billot, E.; Hofmann, M.; Benick, J.; Rentsch, J.; Preu, R.; Glunz, S.W.
Journal Article, Conference Paper
201120% efficient passivated large-area metal wrap through solar cells on boron-doped Cz silicon
Lohmüller, E.; Thaidigsmann, B.; Pospischil, M.; Jäger, U.; Mack, S.; Specht, J.; Nekarda, J.; Retzlaff, M.; Krieg, A.; Clement, F.; Wolf, A.; Biro, D.; Preu, R.
Journal Article
201120.1% efficient silicon solar cell with aluminum back surface field
Fellmeth, T.; Mack, S.; Bartsch, J.; Erath, D.; Jäger, U.; Preu, R.; Clement, F.; Biro, D.
Journal Article
2011Beam Shaping for High Throughput Laser Doped Selective Emitter Solar Cells
Jäger, U.; Fertig, F.; Oesterlin, P.; Büchel, A.; Ullmann, R.; Zühlke, H.-U.; Preu, R.
Conference Paper
2011Calculating the specific contact resistance from the nanostructure at the interface of silver thick film contacts on n-type silicon
Kontermann, S.; Preu, R.; Willeke, G.
Journal Article
2011Charge carrier trapping at passivated silicon surfaces
Seiffe, J.; Hofmann, M.; Rentsch, J.; Preu, R.
Journal Article
2011Detection and analysis of micro-cracks in multi-crystalline silicon wafers during solar cell production
Demant, M.; Rein, S.; Krisch, J.; Schoenfelder, S.; Fischer, C.; Bartsch, S.; Preu, R.
Conference Paper
2011HIP-MWT - A New Cell Concept for Industrial Processing of High-Performance Metal Wrap Through Silicon Solar Cells
Thaidigsmann, B.; Spribille, A.; Plagwitz, H.; Schubert, G.; Fertig, F.; Clement, F.; Wolf, A.; Biro, D.; Preu, R.
Conference Paper
2011HIP-MWT: A simplified structure for metal wrap through solar cells with passivated rear surface
Thaidigsmann, B.; Clement, F.; Wolf, A.; Lohmüller, E.; Fertig, F.; Biro, D.; Preu, R.
Conference Paper, Journal Article
2011Impact of hydrogen concentration on the regeneration of light induced degradation
Krugel, G.; Wolke, W.; Geilker, J.; Rein, S.; Preu, R.
Conference Paper, Journal Article
2011Increased Ion Energies for Texturing in a High-Throughput Plasma Tool
Piechulla, P.; Seiffe, J.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2011Industrially feasible all side passivated silicon based C-MWT concentrator solar cells
Fellmeth, T.; Drews, A.; Thaidigsmann, B.; Mack, S.; Wolf, A.; Clement, F.; Biro, D.; Preu, R.
Conference Paper
2011Influence of slow surface states on effective lifetime measurements
Seiffe, J.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper, Journal Article
2011Interface Characterization of Dry-Etched Emitters
Clement, C.; Seiffe, J.; Hofmann, M.; Rentsch, J.; Preu, R.; Naumann, V.; Werner, M.
Conference Paper
2011Investigations on the Impact of Wafer Grippers on Optical and Electrical Properties of Alkaline Textured and A-Si Passivated Surfaces
Nold, S.; Aßmus, M.; Weil, A.; Haunschild, J.; Savio, C.; Hofmann, M.; Rentsch, J.; Preu, R.; Kunz, M.
Conference Paper
2011Large-area p-type HIP-MWT silicon solar cells with screen printed contacts exceeding 20% efficiency
Thaidigsmann, B.; Lohmüller, E.; Jäger, U.; Mack, S.; Lottspeich, F.; Spribille, A.; Birmann, K.; Erath, D.; Wolf, A.; Clement, F.; Biro, D.; Preu, R.
Journal Article
2011A laser based process for the formation of a local back surface field for n-type silicon solar cells
Jäger, U.; Suwito, D.; Benick, J.; Janz, S.; Preu, R.
Journal Article
2011Metal pinning through rear passivation layers: Characterization and effects on solar cells
Saint-Cast, P.; Haunschild, J.; Schwab, C.; Billot, E.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper, Journal Article
2011MWT meets PERC: Towards 20% efficient industrial silicon solar cells
Biro, D.; Thaidigsmann, B.; Clement, F.; Wolf, A.; Lohmüller, E.; Mack, S.; Fellmeth, T.; Drews, A.; Spribille, A.; Wotke, E.A.; Lottspeich, F.; Hofmann, M.; Jäger, U.; Preu, R.
Conference Paper
2011A Novel Approach for Mask-Free Selective Emitter Technology Combining Laser Doping and Wet Chemical Etch Back
Volk, A.; Jäger, U.; Rentsch, J.; Preu, R.
Conference Paper
2011Paths to Achieve Efficiencies over 20% with MWT Silicon Solar Cells
Clement, F.; Thaidigsmann, B.; Lohmüller, E.; Specht, J.; Jäger, U.; Mack, S.; Pospischil, M.; Spribille, A.; Erath, D.; Nekarda, J.; Hofmann, M.; Wolf, A.; Biro, D.; Preu, R.
Conference Paper
2011Plasma Deposition of a Amorphous Silicon Dopant Sources
Jeurink, J.; Seiffe, J.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2011Processing of Highly-Efficient MWT Silicon Solar Cells
Clement, F.; Thaidigsmann, B.; Hoenig, R.; Fellmeth, T.; Spribille, A.; Lohmüller, E.; Krieg, A.; Glatthaar, M.; Wirth, H.; Biro, D.; Preu, R.; Menkoe, M.; Meyer, K.; Lahmer, D.; Krokoszinski, H.-J.; Neidert, M.; Henning, A.; Mohr, C.; Zhang, W.
Journal Article
2011Properties of purified direct steam grown silicon thermal oxides
Mack, S.; Wolf, A.; Walczak, A.; Thaidigsmann, B.; Wotke, E.A.; Spiegelman, J.J.; Preu, R.; Biro, D.
Journal Article
2011Quantitative comparison of simulated and experimental silver crystal formation at the interface of silver thick film contacts on n-type silicon
Kontermann, S.; Ruf, A.; Preu, R.
Conference Paper, Journal Article
2011Quantum efficiency analysis of highly doped areas for selective emitter solar cells
Jäger, U.; Thaidigsmann, B.; Okanovic, M.; Preu, R.
Conference Paper, Journal Article
2011Recombination at metal-emitter interfaces of front contact technologies for highly efficient silicon solar cells
Fellmeth, T.; Born, A.; Kimmerle, A.; Clement, F.; Biro, D.; Preu, R.
Conference Paper, Journal Article
2011Screen Printing Aluminium Pastes for Thin Silicon Solar Cells with Passivated Rear Surface and LFC Contacts
Schwab, C.; Thaidigsmann, B.; Nold, S.; Linse, M.; Lottspeich, F.; Prince, A.; Young, R.; Fuge, G.; Weigand, P.; Wolf, A.; Clement, F.; Biro, D.; Preu, R.
Conference Paper
2011Surface passivation of crystalline silicon by plasma-enhanced chemical vapor deposition double layers of silicon-rich silicon oxynitride and silicon nitride
Seiffe, J.; Gautero, L.; Hofmann, M.; Rentsch, J.; Preu, R.; Weber, S.; Eichel, R.A.
Journal Article
2011Surface Passivation of Highly and Lowly Doped P-Type Silicon Surfaces with PECVD Al2O3 for Industrially Applicable Solar Cell Concepts
Saint-Cast, P.; Billot, E.; Olwal, P.; Kühnhold, S.; Richter, A.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2011Variation of the layer thickness to study the electrical property of PECVD Al2O3 / C-Si interface
Saint-Cast, P.; Heo, Y.-H.; Billot, E.; Olwal, P.; Hofmann, M.; Rentsch, J.; Glunz, S.W.; Preu, R.
Conference Paper, Journal Article
201019.5% efficient screen printed crystalline silicon metal wrap through (MWT) solar cells for concentrator (2-25x) applications
Fellmeth, T.; Fritz, S.; Menkoe, M.; Clement, F.; Biro, D.; Preu, R.
Conference Paper
201021.1% efficient PERC silicon solar cells on large scale by using inline sputtering for metallization
Reinwand, D.; Specht, J.; Stüwe, D.; Seitz, S.; Nekarda, J.-F.; Biro, D.; Preu, R.; Trassl, R.
Conference Paper
2010Accurate IV-measurement for back contact solar cells
Glatthaar, M.; Hohl-Ebinger, J.; Krieg, A.; Greif, M.; Greco, L.; Clement, F.; Rein, S.; Warta, W.; Preu, R.
Conference Paper
2010Advanced analytical model for the effective recombination velocity of locally contacted surfaces
Saint-Cast, P.; Rüdiger, M.; Wolf, A.; Hofmann, M.; Rentsch, J.; Preu, R.
Journal Article
2010Advanced screen printing technique for high definition front side metallization of crystalline silicon solar cells
Erath, D.; Filipovi, A.; Retzlaff, M.; Goetz, A.K.; Clement, F.; Biro, D.; Preu, R.
Journal Article
2010Beam shaping - the key to high throughput selective emitter laser processing with a single laser system
Jäger, U.; Oesterlin, P.; Kimmerle, A.; Preu, R.
Conference Paper
2010Challenges and advances in back-side metallization
Preu, R.; Wolf, A.; Hofmann, M.; Clement, F.; Nekarda, J.; Rentsch, J.; Biro, D.
Journal Article
2010Characterisation of local Al-BSF formation for PERC solar cell structures
Grasso, F.S.; Gautero, L.; Rentsch, J.; Preu, R.; Lanzafame, R.
Conference Paper
2010Characterization and optimization of laser edge isolation
Gutscher, S.; Knorz, A.; Gundel, P.; Greulich, J.; Preu, R.
Conference Paper
2010Characterization of aluminium screen-printed local contacts
Grasso, F.S.; Gautero, L.; Rentsch, J.; Preu, R.; Lanzafame, R.
Conference Paper
2010Combining the advantages of wrap through metallization and rear surface passivation into industrial MWT-PERC devices
Thaidigsmann, B.; Wolf, A.; Clement, F.; Biro, D.; Preu, R.
Conference Paper
2010Comparison of different rear contacting approaches for industrial PERC solar cells on MC-SI wafer
Gautero, L.; Kania, D.; Seiffe, J.; Knorz, A.; Specht, J.; Nekarda, J.; Hofmann, M.; Rentsch, J.; Sallese, J.-M.; Preu, R.
Conference Paper
2010Comparison of three different metallization concepts for LFC cells
Nekarda, J.-F.; Hörteis, M.; Lottspeich, F.; Wolf, A.; Preu, R.
Conference Paper
2010Comprehensive analytical model for locally contacted rear surface passivated solar cells
Wolf, A.; Biro, D.; Nekarda, J.; Stumpp, S.; Kimmerle, A.; Mack, S.; Preu, R.
Journal Article
2010Development and modelling of crystalline silicon based metal wrap through (MWT) solar cells
Fellmeth, T.; Meyer, K.; Greulich, J.; Clement, F.; Biro, D.; Preu, R.; Menkoe, M.; Lahmer, D.; Krokoszinski, H.-J.
Conference Paper
2010Dispensing of etching paste and inkjetting of diffusion barrier for MWT solar cell processing
Spribille, A.; Clement, F.; Erath, D.; Specht, J.; Biro, D.; Preu, R.; Köhler, I.; Doll, O.; Stockum, W.; Tueshaus, C.
Conference Paper
2010Dry plasma processing for industrial crystalline silicon solar cell production
Hofmann, M.; Rentsch, J.; Preu, R.
Journal Article
2010Evaluating luminescence based voltage images of silicon solar cells
Glatthaar, M.; Haunschild, J.; Zeidler, R.; Demant, M.; Greulich, J.; Michl, B.; Warta, W.; Rein, S.; Preu, R.
Journal Article
2010Fast and precise resistance characterisation of laser drilled and metallized vias
Menkoe, M.; Reitenbach, H.; Hoenig, R.; Clement, F.; Biro, D.; Preu, R.
Conference Paper
2010Firing stable passivation layers for the front and rear side of high efficiency N-type back-contact back-junction solar cells
Woehl, R.; Mack, S.; Kohn, N.; Preu, R.; Biro, D.
Conference Paper
2010Front surface passivation for industrial-type solar cells by silicon oxynitride - silicon nitride stacks
Schwab, C.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2010Fundamental reactions during the formation of fired silver contacts and solar cell results
Hörteis, M.; Benick, J.; Nekarda, J.; Richter, A.; Preu, R.; Glunz, S.W.
Conference Paper
2010Fundamental studies on the front contact formation resulting in a 21% efficiency silicon solar cell with printed rear and front contacts
Hörteis, M.; Benick, J.; Nekarda, J.; Richter, A.; Preu, R.; Glunz, S.W.
Conference Paper
2010High efficiency p-type PERC solar cells applying PECVD ALOx layers
Saint-Cast, P.; Benick, J.; Kania, D.; Billot, E.; Richter, A.; Hermle, M.; Hofmann, M.; Rentsch, J.; Preu, R.; Glunz, S.W.
Conference Paper
2010High speed laser drilling: Parameter evaluation and characterisation
Knorz, A.; Gutscher, S.; Fell, A.; Gundel, P.; Preu, R.
Conference Paper
2010High temperature stability of PECVD aluminium oxide layers applied as negatively charged passivation on c-Si surfaces
Kania, D.; Saint-Cast, P.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2010High throughput via-metallization technique for multi-crystalline metal wrap through (MWT) silicon solar cells exceeding 16% efficiency
Clement, F.; Menkö, M.; Kubera, T.; Erath, D.; Hoenig, R.; Kwapil, W.; Wolke, W.; Preu, R.
Journal Article
2010High-efficiency c-Si solar cells passivated with ALD and PECVD aluminum oxide
Saint-Cast, P.; Benick, J.; Kania, D.; Weiss, L.; Hofmann, M.; Rentsch, J.; Preu, R.; Glunz, S.W.
Journal Article
2010Highly efficient industrially feasible metal wrap through (MWT) silicon solar cells
Fellmeth, T.; Menkoe, M.; Clement, F.; Biro, D.; Preu, R.
Journal Article
2010Improved emitters by dry etching
Seiffe, J.; Khandelwal, R.; Clement, C.; Jäger, U.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2010Industrial deposition of PECVD AIOx for rear passivation of PERC-type mc-SI solar cells
Rentsch, J.; Sperlich, H.-P.; Kohn, N.; Kania, D.; Saint-Cast, P.; Schetter, C.; Hofmann, M.; Preu, R.
Conference Paper
2010Industrial inline PVD metallization for silicon solar cells with laser fired contacts leading to 21.8% efficiency
Nekarda, J.; Reinwand, D.; Hartmann, P.; Preu, R.
Conference Paper
2010Industrially feasible rear side concept for n-type silicon solar cells approaching 700 mV of Voc
Suwito, D.; Jäger, U.; Benick, J.; Janz, S.; Hermle, M.; Preu, R.; Glunz, S.W.
Conference Paper
2010Influence of doping profile of highly doped regions for selective emitter solar cells
Jäger, U.; Mack, S.; Kimmerle, A.; Wolf, A.; Preu, R.
Conference Paper
2010Inkjet structured EWT silicon solar cells with evaporated aluminum metallization and laser-fired contacts
Fallisch, A.; Stüwe, D.; Neubauer, R.; Wagenmann, D.; Keding, R.; Nekarda, J.; Preu, R.; Biro, D.
Conference Paper
2010Investigation of the minority carrier lifetime reduction during industrial DC-sputtering of metal seed layers
Reinwand, D.; Graf, M.; Hartmann, P.; Preu, R.; Trassl, R.
Conference Paper
2010n-Type silicon - enabling efficiencies > 20% in industrial production
Glunz, S.W.; Benick, J.; Biro, D.; Bivour, M.; Hermle, M.; Pysch, D.; Rauer, M.; Reichel, C.; Richter, A.; Rüdiger, M.; Schmiga, C.; Suwito, D.; Wolf, A.; Preu, R.
Conference Paper
2010Novel MWT cell design on monocrystalline silicon wafers
Meyer, K.; Krokoszinski, H.-J.; Lahmer, D.; Wütherich, T.; Dupke, M.; Jesswein, R.; Lossen, J.; Zerrer, P.; Prießner, A.; Clement, F.; Biro, D.; Preu, R.
Conference Paper
2010P-type Cz-Si PERC-type solar cells applying PECVD aluminium oxide rear surface passivation
Saint-Cast, P.; Kania, D.; Billot, E.; Weiss, L.; Hofmann, M.; Gautero, L.; Kohn, N.; Biro, D.; Rentsch, J.; Preu, R.
Conference Paper
2010Paste development for screen printed mc-Si MWT solar cells exceeding 17% efficiency
Hoenig, R.; Clement, F.; Menkoe, M.; Retzlaff, M.; Biro, D.; Preu, R.; Neidert, M.; Henning, A.; Mohr, C.; Zhang, W.
Conference Paper
2010Photovoltaische Solarzelle und Verfahren zur Herstellung einer photovoltaischen Solarzelle
Thaidigsmann, B.; Clement, F.; Biro, D.; Wolf, A.; Preu, R.
Patent
2010Pilot line processing of 18.6% efficient rear surface passivated large area solar cells
Wolf, A.; Wotke, E.A.; Walczak, A.; Mack, S.; Bitnar, B.; Koch, C.; Preu, R.; Biro, D.
Conference Paper
2010Pilot processing of 18.6% efficient rear surface passivated silicon solar cells with screen printed front contacts
Wolf, A.; Wotke, E.A.; Mack, S.; Nekarda, J.-F.; Biro, D.; Preu, R.; Schlegel, K.; Weber, T.; Lossen, J.; Böscke, T.; Grohe, A.; Engelhart, P.; Müller, J.W.; Schubert, G.; Plagwitz, H.; Gassenbauer, Y.
Conference Paper
2010Pilot-line processing of highly-efficient MWT silicon solar cells
Clement, F.; Thaidigsmann, B.; Hoenig, R.; Fellmeth, T.; Spribille, A.; Lohmüller, E.; Krieg, A.; Glatthaar, M.; Wirth, H.; Biro, D.; Preu, R.; Menkoe, M.; Meyer, K.; Lahmer, D.; Krokoszinski, H.-J.; Neidert, M.; Henning, A.; Mohr, C.; Zhang, W.
Conference Paper
2010Plasma single-sided etching for rear emitter etch-back and flattening of industrial crystalline silicon solar cells
Khandelwal, R.; Hofmann, M.; Trogus, D.; Gautero, L.; Seiffe, J.; Rentsch, J.; Preu, R.
Conference Paper
2010Purified steam for industrial thermal oxidation processes
Mack, S.; Biro, D.; Wolf, A.; Thaidigsmann, B.; Walczak, A.; Spiegelmann, J.J.; Preu, R.
Conference Paper
2010Silicon solar cells using aluminum foil as rear side metallization reaching 21.0 % efficiency
Nekarda, J.-F.; Lottspeich, F.; Wolf, A.; Preu, R.
Conference Paper
2010A simple laser based process for the formation of a LBSF for n-type silicon solar cells
Jäger, U.; Suwito, D.; Benick, J.; Janz, S.; Hermle, M.; Glunz, S.W.; Preu, R.
Conference Paper
2010Simultaneous front emitter and rear surface passivation by thermal oxidation - an industrially feasible approach to a 19% efficient PERC device
Mack, S.; Jäger, U.; Wolf, A.; Nold, S.; Preu, R.; Biro, D.
Conference Paper
2010Single side polish etching for the rear side of crystalline silicon wafers
Kästner, G.; Zimmer, M.; Birmann, K.; Souren, F.M.M.; Rentsch, J.; Preu, R.
Conference Paper
2010SiNTO EWT silicon solar cells
Fallisch, A.; Keding, R.; Kästner, G.; Bartsch, J.; Werner, S.; Stüwe, D.; Specht, J.; Preu, R.; Biro, D.
Conference Paper
2010Structuring technology and simulation of high efficiency back-contact back-junction silicon solar cells under low concentration
Woehl, R.; Rüdiger, M.; Erath, D.; Stüwe, D.; Preu, R.; Biro, D.
Conference Paper
2010Towards 19% efficient industrial PERC devices using simultaneous front emitter and rear surface passivation by thermal oxidation
Mack, S.; Jäger, U.; Kästner, G.; Wotke, E.A.; Belledin, U.; Wolf, A.; Preu, R.; Biro, D.
Conference Paper
2010Verfahren zur Erzeugung einer selektiven Dotierstruktur in einem Halbleitersubstrat zur Herstellung einer photovoltaischen Solarzelle
Jäger, U.; Biro, D.; Volk, A.-K.; Seiffe, J.; Mack, S.; Wolf, A.; Preu, R.
Patent
2010Verfahren zur Herstellung einer Metallstruktur auf einer Oberfläche eines Halbleitersubstrates
Reinwand, D.; Biro, D.; Specht, J.; Preu, R.; Stüwe, D.
Patent
2010Verfahren zur Herstellung einer photovoltaischen Solarzelle
Mack, S.; Jäger, U.; Wolf, A.; Biro, D.; Preu, R.; Kästner, G.
Patent
2009Advances in electroless nickel plating for the metallization of silicon solar cells using different structuring techniques for the ARC
Aleman, M.; Bay, N.; Barucha, D.; Knorz, A.; Biro, D.; Preu, R.; Glunz, S.W.
Conference Paper
2009All-screen-printed 120-µm-thin large-area silicon solar cells applying dielectric rear passivation and laser-fired contacts reaching 18% efficiency
Gautero, L.; Hoffmann, M.; Rentsch, J.; Bitnar, B.; Sallese, J.-M.; Preu, R.
Conference Paper
2009All-screen-printed 120-µM-thin large-area silicon solar cells applying dielectric rear passivation and laser-fired contacts reaching 18% efficiency
Gautero, L.; Hofmann, M.; Rentsch, J.; Lemke, A.; Mack, S.; Seiffe, J.; Nekarda, J.; Biro, D.; Wolf, A.; Bitnar, B.; Sallese, J.M.; Preu, R.
Conference Paper
2009Control and optimization of thermal oxidation processes for industrial solar cell fabrication
Mack, S.; Lemke, A.; Wolf, A.; Holzinger, B.; Zimmer, M.; Biro, D.; Preu, R.
Conference Paper
2009Development of crystalline silicon based metal wrap through (MWT) solar cells for low concentrator (2-30x) applications
Fellmeth, T.; Fritz, S.; Menkö, M.; Mingirulli, N.; Glatthaar, M.; Clement, F.; Biro, D.; Preu, R.
Conference Paper
2009Development of via pastes for high efficiency MWT cells with a low shunting behaviour
Neidert, M.; Clement, F.; Menkö, M.; Hoenig, R.; Henning, A.; Zhang, W.; Biro, D.; Preu, R.
Conference Paper
2009Firing stable passivation with a-Si/SiNx stack layers for crystalline silicon solar cells
Saint-Cast, P.; Hofmann, M.; Dimitrova, T.; Wagenmann, D.; Rentsch, J.; Preu, R.
Conference Paper
2009Front-side metallization of silicon solar cells by nickel plating and light induced silver plating
Aleman, M.; Bay, N.; Barucha, D.; Glunz, S.W.; Preu, R.
Journal Article
2009Impact of solar cell manufacturing processes on thermal oxide-passivated silicon surfaces
Mack, S.; Wolf, A.; Wotke, E.A.; Lemke, A.; Holzinger, B.; Dimitrova, T.; Biro, D.; Preu, R.
Conference Paper
2009Industrial negatively charged c-Si surface passivation by inline PECVD AlOx
Kania, D.; Saint-Cast, P.; Wagenmann, D.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2009Industrial PVD metallization for high efficiency crystalline silicon solar cells
Nekarda, J.; Reinwand, D.; Grohe, A.; Hartmann, P.; Preu, R.; Trassl, R.; Wieder, S.
Conference Paper
2009Industrial sputtering metallization technology for crystalline silicon solar cells
Reinwand, D.; Nekarda, J.; Grohe, A.; Hartmann, P.; Trassl, R.; Preu, R.
Conference Paper
2009Industrially feasible mc-Si solar cells with fine line printed front contacts on high emitter sheet resistance towards 17% efficiency
Clement, F.; Menkö, M.; Erath, D.; Retzlaff, M.; Goetz, A.K.; Hörteis, M.; Bartsch, J.; Hoenig, R.; Belledin, U.; Biro, D.; Preu, R.
Conference Paper
2009Industrially feasible multi-crystalline metal wrap through (MWT) silicon solar cells exceeding 16% efficiency
Clement, F.; Menkoe, M.; Kubera, T.; Harmel, C.; Hoenig, R.; Wolke, W.; Wirth, H.; Biro, D.; Preu, R.
Journal Article, Conference Paper
2009Influence of different laser parameters in laser doping from phosphosilicate glass
Okanovic, M.; Jäger, U.; Ahrens, M.; Stute, U.; Grohe, A.; Preu, R.
Conference Paper
2009Laser ablation of antireflection coatings for plated contacts yielding solar cell efficiencies above 20 %
Knorz, A.; Aleman, M.; Grohe, A.; Preu, R.; Glunz, S.W.
Conference Paper
2009Laser ablation of etch resists for structuring and lift-off processes
Knorz, A.; Grohe, A.; Preu, R.
Conference Paper
2009LFC on screen printed aluminium rear side metallization
Nekarda, J.; Stumpp, S.; Gautero, L.; Hörteis, M.; Grohe, A.; Biro, D.; Preu, R.
Conference Paper
2009Microscopic homogeneity of emitters formed on textured silicon using in-line diffusion and phosphoric acid as the dopant source
Voyer, C.; Buettner, T.; Bock, R.; Biro, D.; Preu, R.
Conference Paper, Journal Article
2009Novel laser technologies for crystalline silicon solar cell production
Grohe, A.; Knorz, A.; Nekarda, J.; Jaeger, U.; Mingirulli, N.; Preu, R.
Conference Paper
2009Optimizing annealing steps for crystalline silicon solar cells with screen printed front side metallization and an oxide-passivated rear surface with local contacts
Kontermann, S.; Wolf, A.; Reinwand, D.; Grohe, A.; Biro, D.; Preu, R.
Journal Article
2009Overview on crystalline silicon solar cells using PECVD rear passivation and laser-fired contacts
Hofmann, M.; Saint-Cast, P.; Suwito, D.; Seiffe, J.; Schmidt, C.; Kambor, S.; Gautero, L.; Kohn, N.; Nekarda, J.-F.; Leimenstoll, A.; Wagenmann, D.; Erath, D.; Catoir, J.; Wolke, W.; Janz, S.; Biro, D.; Grohe, A.; Rentsch, J.; Glunz, S.W.; Preu, R.
Conference Paper
2009Physical understanding of the behavior of silver thick-film contacts on n-type silicon under annealing conditions
Kontermann, S.; Hörteis, M.; Kasemann, M.; Grohe, A.; Preu, R.; Pink, E.; Trupke, T.
Journal Article
2009Pilot-line processing of Cz-Si MWT solar cells with an efficiency gain of 0,3%
Lahmer, D.; Lossen, J.; Meyer, K.; Krokoszinski, H.-J.; Clement, F.; Menkö, M.; Hoenig, R.; Biro, D.; Preu, R.
Conference Paper
2009Pilot-line processing of screen-printed Cz-Si MWT solar cells exceeding 17% efficiency
Clement, F.; Menkö, M.; Hoenig, R.; Haunschild, J.; Biro, D.; Preu, R.; Lahmer, D.; Lossen, J.; Krokoszinski, H.-J.
Conference Paper
2009PV-TEC: Retrospection to the three years of operation of a production oriented research platform
Biro, D.; Belledin, U.; Weil, A.; Zimmer, M.; Grohe, A.; Rein, S.; Rentsch, J.; Preu, R.
Conference Paper
2009Recent developments in rear-surface passivation at Fraunhofer ISE
Hofmann, M.; Janz, S.; Schmidt, C.; Kambor, S.; Suwito, D.; Kohn, N.; Rentsch, J.; Preu, R.; Glunz, S.W.
Conference Paper, Journal Article
2009Relevant pinhole characterisation methods for dielectric layers for silicon solar cells
Saint-Cast, P.; Tanay, F.; Aleman, M.; Reichel, C.; Bartsch, J.; Hofmann, M.; Rentsch, J.; Preu, R.
Conference Paper
2009A review on 5 years cell development within the european integrated project crystal clear
John, J.; Beaucarne, G.; Choulat, P.; Ma, Y.; Russell, R.; Romijn, I.; Lamers, M.; Mewe, A.; Weeber, A.; Hofmann, M.; Preu, R.; Gautero, J.; Slaoui, A.; Quang, A.Q. le; Nichiporuk, O.; Canizo, C. del; Pan, A.; Solheim, H.; Evju, J.; Nagel, H.; Bitnar, B.; Heemeier, M.; Weber, T.; Kaes, M.; Raabe, B.; Haverkamp, H.; Struempel, C.; Hahn, G.
Conference Paper
2009Selective emitter by laser doping from phosphosilicate glass
Jäger, U.; Okanovic, M.; Hörteis, M.; Grohe, A.; Preu, R.
Conference Paper
2009Selective laser ablation of SiNx layers on textured surfaces for low temperature front side metallizations
Knorz, A.; Peters, M.; Grohe, A.; Harmel, C.; Preu, R.
Journal Article
2009The SINTO process: Utilizing a SINx anti-reflection layer for emitter masking during thermal oxidation
Wolf, A.; Walczak, A.; Mack, S.; Wotke, E.A.; Lemke, A.; Bertram, C.; Belledin, U.; Biro, D.; Preu, R.
Conference Paper
2009Solarzelle und Verfahren zur Herstellung einer Solarzelle aus einem Siliziumsubstrat
Biro, D.; Schultz-Wittmann, O.; Lemke, A.; Rentsch, J.; Clement, F.; Hofmann, M.; Wolf, A.; Gautero, L.; Mack, S.; Preu, R.
Patent
2009Spatially resolved contact-resistance measurements on crystalline silicon solar cells
Kontermann, S.; Hörteis, M.; Ruf, A.; Feo, S.; Preu, R.
Journal Article
2009Spectroscopical analysis of wet chemical processes
Zimmer, M.; Oltersdorf, A.; Rentsch, J.; Preu, R.
Journal Article
2009Thermal oxidation as a key technology for high efficiency screen printed industrial silicon solar cells
Biro, D.; Mack, S.; Wolf, A.; Lemke, A.; Belledin, U.; Erath, D.; Holzinger, B.; Wotke, E.A.; Hofmann, M.; Gautero, L.; Nold, S.; Rentsch, J.; Preu, R.
Conference Paper
2009Thermal stability of PECVD a-Si:H single and PECVD a-Si:H + PECVD a-SiOx:H double layers for silicon solar cell rear side passivation
Hofmann, M.; Schmidt, C.; Raabe, B.; Rentsch, J.; Preu, R.
Conference Paper
2009Thermally activated p- and n-doped passivation layers
Seiffe, J.; Suwito, D.; Korte, L.; Hofmann, M.; Janz, S.; Rentsch, J.; Preu, R.
Conference Paper
2009Towards a-Si:H rear passivated industrial-type silicon solar cells
Hofmann, M.; Saint-Cast, P.; Bareis, D.; Wagenmann, D.; Rentsch, J.; Preu, R.
Conference Paper
2009Verfahren zur Herstellung einer EWT-Solarzelle
Mingirulli, N.; Biro, D.; Preu, R.
Patent
2009Very low surface recombination velocity on p-type c-Si by high-rate plasma-deposited aluminum oxide
Saint-Cast, P.; Kania, D.; Hofmann, M.; Benick, J.; Rentsch, J.; Preu, R.
Journal Article
2009Wet chemical processing for c-Si solar cells - status and perspectives
Rentsch, J.; Ackermann, R.; Birmann, K.; Furtwängler, H.; Haunschild, J.; Kästner, G.; Neubauer, R.; Nievendick, J.; Oltersdorf, A.; Rein, S.; Schütte, A.; Zimmer, M.; Preu, R.
Conference Paper
2008Analysis of hydrogen passivation by sputtered silicon nitride
Catoir, J.; Wolke, W.; Griesshammer, M.; Preu, R.; Trassl, R.; Grambole, D.
Conference Paper
2008Detailed analysis of annealing silver front side contacts on silicon solar cells
Kontermann, S.; Grohe, A.; Preu, R.
Conference Paper
2008Industrial approach for the deposition, through-vias wet opening and firing activation of a backside passivation layer applied on solar cells
Gautero, L.; Rentsch, J.; Weiss, L.; Kohn, N.; Eigner, S.; Zimmer, M.; Specht, J.; Nekarda, J.; Stüwe, D.; Retzlaff, M.; Biro, D.; Sallese, J.-M.; Preu, R.
Conference Paper
2008Industrial type CZ silicon solar cells with screen-printed fine line front contacts and passivated rear contacted by laser firing
Hofmann, M.; Erath, D.; Bitnar, B.; Gautero, L.; Nekarda, J.; Grohe, A.; Biro, D.; Rentsch, J.; Preu, R.
Conference Paper
2008Industrially feasible front-side metallization based on ink-jet masking and nickel plating
Aleman, M.; Bay, N.; Gautero, J.; Specht, J.; Stüwe, D.; Neubauer, R.; Baurcha, D.; Biro, D.; Rentsch, J.; Glunz, S.W.; Preu, R.
Conference Paper
2008Industrially feasible mc-Si metal wrap through (MWT) solar cells with high emitter sheet resistances exceeding 16% efficiency
Clement, F.; Belledin, U.; Wotke, E.; Menkö, M.; Kubera, T.; Hönig, R.; Harmel, C.; Spitz, M.; Wirth, H.; Biro, D.; Preu, R.
Conference Paper
2008Industrially feasible multi crystalline metal wrap through (mwt) silicon solar cells exceeding 16% efficiency
Clement, F.; Lutsch, M.; Kubera, T.; Wirth, H.; Harmel, C.; Wolke, W.; Biro, D.; Preu, R.
Conference Paper
2008Investigation of blistering of sputtered silicon nitride anti-reflection layer
Catoir, J.; Wolke, W.; Hartmann, P.; Gernot, E.; Preu, R.; Trassl, R.; Wieder, S.
Conference Paper
2008Passivation of laser-drilled via holes for emitter-wrap-through-cells
Mingirulli, N.; Trittler, S.; Bui, M.; Grohe, A.; Biro, D.; Preu, R.; Glunz, S.W.
Conference Paper
2008PECVD-ONO: A new deposited firing stable rear surface passivation layer system for crystalline silicon solar cells
Hofmann, M.; Kambor, S.; Schmidt, C.; Grambole, D.; Rentsch, J.; Glunz, S.W.; Preu, R.
Journal Article
2008Plasma cluster processing for advanced solar cell manufacturing
Rentsch, J.; Seiffe, J.; Walter, F.; Hofmann, M.; Weiss, L.; Gautero, L.; Decker, D.; Schlemm, H.; Preu, R.
Conference Paper
2008Resistance analysis of wrapped through emitters
Mingirulli, N.; Driessen, M.; Grote, D.; Biro, D.; Preu, R.
Conference Paper
2008Simulation of MWT-solar cells using a multi 2D circuit calculation tool based on spice
Kubera, T.; Clement, F.; Grote, D.; Thaidigsmann, B.; Biro, D.; Warta, W.; Preu, R.
Conference Paper
2008Single side etching - key technology for industrial high efficiency processing
Rentsch, J.; Gautero, L.; Lemke, A.; Eigner, S.; Zimmer, M.; Walter, F.; Hofmann, M.; Preu, R.
Conference Paper
2008Single-wafer tracking in PV production lines
Rein, S.; Krieg, A.; Weil, A.; Emanuel, G.; Glatthaar, M.; Grohe, A.; Preu, R.; Sattler, B.; Lorch, P.; Vayhinger, K.
Conference Paper
2008Solar cell process development in the european integrated project crystalclear
Beaucarne, G.; John, J.; Choulat, P.; Ma, Y.; Russel, R.; Romijn, I.; Weeber, A.; Hofmann, M.; Preu, R.; Slaoui, A.; Quang, N. le; Nichiporuk, O.; Canizo, C. del; Pan, A.; Solheim, H.; Evju, J.; Nagel, H.; Horzel, J.; Bitnar, B.; Heemeier, M.; Weber, T.; Raabe, B.; Haverkamp, H.; Strümpel, C.; Junge, J.; Riegel, S.; Seren, S.; Hahn, G.
Conference Paper
2008Solarzelle und Solarzellenmodul mit einseitiger Verschaltung
Biro, D.; Mingirulli, N.; Clement, F.; Preu, R.; Woehl, R.
Patent
2008Stack system of PECVD amorphous silicon and PECVD silicon oxide for silicon solar cell rear side passivation
Hofmann, M.; Schmidt, C.; Kohn, N.; Rentsch, J.; Glunz, S.W.; Preu, R.
Journal Article
2008Using hotmelt-inkjet as a structuring method for higher efficiency industrial silicon solar cells
Specht, J.; Biro, D.; Mingirulli, N.; Aleman, M.; Belledin, U.; Efinger, R.; Erath, D.; Gautero, L.; Lemke, A.; Stüwe, D.; Rentsch, J.; Preu, R.
Conference Paper
2008Verfahren zur lokalen Kontaktierung und lokalen Dotierung einer Halbleiterschicht
Preu, R.; Grohe, A.; Biro, D.; Rentsch, J.; Hofmann, M.; Wolf, A.; Nekarda, J.
Patent
2007Aluminum foil as back side metallization for LFC cells
Nekarda, J.-F.; Grohe, A.; Schultz, O.; Preu, R.
Conference Paper
2007Detailed analysis of amorphous silicon passivation layers deposited in industrial in-line and laboratory-type PECVD reactors
Hofmann, M.; Schmidt, C.; Kohn, N.; Grambole, D.; Rentsch, J.; Glunz, S.W.; Preu, R.
Conference Paper
2007Firing stable surface passivation using all-PECVD stacks of SiOx:H and SiNx:H
Hofmann, M.; Kambor, S.; Schmidt, C.; Grambole, D.; Rentsch, J.; Glunz, S.W.; Preu, R.
Conference Paper
2007Industrial realization of dry plasma etching for PSG removal and rear side emitter etching
Rentsch, J.; Decker, D.; Hofmann, M.; Schlemm, H.; Roth, K.; Preu, R.
Conference Paper
2007Inkjet printing for high definition industrial masking processes for solar cell production
Biro, D.; Erath, D.; Belledin, U.; Specht, J.; Stüwe, D.; Lemke, A.; Aleman, M.; Mingirulli, N.; Rentsch, J.; Preu, R.; Schlosser, R.; Bitnar, B.; Neuhaus, H.
Presentation
2007Investigations of diffusion barriers for application in back-contacted solar cells
Drießen, M.; Mingirulli, N.; Pingel, S.; Schubert, M.; Biro, D.; Preu, R.
Conference Paper
2007Investigations on the influence of different annealing steps on silicon solar cells with silver thick film contacts
Kontermann, S.; Grohe, A.; Erath, D.; Preu, R.; Willeke, G.
Conference Paper
2007Laser processes for the industrial production of high efficiency silicon solar cells
Grohe, A.; Wütherich, T.; Knorz, A.; Nekarda, J.; Mingirulli, N.; Harmel, C.; Preu, R.; Glunz, S.W.
Conference Paper
2007Lifetime studies on laser drilled vias for application in emitter-wrap-through-solar cells
Mingirulli, N.; Grohe, A.; Dohrn, A.; Hofmann, M.; Schubert, M.; Roth, T.; Biro, D.; Preu, R.
Conference Paper
2007Mechanisms involved in the formation of phosphosilicate glass by dehydration of sprayed phosphoric acid in an in-line diffusion furnace
Voyer, C.; Biro, D.; Buettner, T.; Preu, R.
Conference Paper
2007Method for determination of recombination activity of cylindric conduction channels for back-contacted solar cells
Mingirulli, N.; Biro, D.; Preu, R.; Glunz, S.W.; Riepe, S.
Journal Article
2007Phosphorus gettering and multi-crystalline silicon solar cells using in-line diffusion and sprayed phosphoric acid as the dopant source
Voyer, C.; Biro, D.; Buettner, T.; Preu, R.
Conference Paper
2007Pilot-line processing of very large (21 x 21 cm²) and thin mc-Si solar cells
Clement, F.; Preu, R.; Reis, I.E.; Biro, D.; Rentsch, J.; Zimmer, M.; Rein, S.; Emanuel, G.; Krieg, A.; Müller, A.; Martin, F.
Conference Paper
2007Processing and comprehensive characterisation of screen-printed mc-Si Metal Wrap Through (MWT) solar cells
Clement, F.; Lutsch, M.; Kubera, T.; Kasemann, M.; Kwapil, W.; Harmel, C.; Mingirulli, N.; Erath, D.; Wirth, H.; Biro, D.; Preu, R.
Conference Paper
2007Progress in selective laser ablation of dielectric layers
Knorz, A.; Grohe, A.; Harmel, C.; Preu, R.; Luther, J.
Conference Paper
2007PV-TEC - Forschungsfabrik für Solarzellen
Preu, R.
Journal Article
2007Series resistance characterization of industrial silicon solar cells with screen-printed contacts using hotmelt paste
Mette, A.; Pysch, D.; Emanuel, G.; Erath, D.; Preu, R.; Glunz, S.W.
Journal Article
2007Silicon solar cells with screen-printed front side metallization exceeding 19% efficiency
Schultz, O.; Mette, A.; Preu, R.; Glunz, S.W.
Conference Paper
2007Thermal oxidation and wet chemical cleaning of silicon wafers for industrial solar cell production
Lemke, A.; Furtwängler, H.; Rentsch, J.; Biro, D.; Preu, R.
Conference Paper
2007Verfahren zur Präzisionsbearbeitung von Substraten und dessen Verwendung
Mayer, K.; Aleman, M.; Kray, D.; Glunz, S.; Mette, A.; Preu, R.; Grohe, A.
Patent
200621%-efficient silicon solar cells using amorphous silicon rear side passivation
Hofmann, M.; Glunz, S.; Preu, R.; Willeke, G.
Conference Paper
2006Boundary conditions for the industrial production of LFC cells
Grohe, A.; Fleischhauer, B.; Preu, R.; Glunz, S.W.; Willeke, G.P.
Conference Paper
2006Boundary conditions for the industrial production of LFC cells - Results from the joint project INKA
Grohe, A.; Catoir, J.; Fleischhauer, B.; Preu, R.; Glunz, S.W.; Willeke, G.P.; Schneiderlöchner, E.; Lüdemann, R.; Liu, J.; Schramm, S.; Trassl, R.; Wieder, S.
Conference Paper
2006Characterisation of silver thick-film contact formation on textured monocrystalline silicon solar cells
Kontermann, S.; Emanuel, G.; Benick, J.; Preu, R.; Willeke, G.
Conference Paper
2006Fabrication of textured solar cells using sprayed phosphoric acid as the dopant source for the in-line emitter diffusion
Voyer, C.; Biro, D.; Wagner, K.; Benick, J.; Preu, R.
Conference Paper
2006High efficiencies on large area screen printed silicon solar cells and contacting high sheet resistance emitters using hotmelt ink
Mette, A.; Emanuel, G.; Erath, D.; Preu, R.; Willeke, G.
Conference Paper
2006High-efficiency solar cells with laser-grooved buried contact front and laser-fired rear for industrial production
Schultz, O.; Glunz, S.W.; Warta, W.; Preu, R.; Grohe, A.; Köber, M.; Willeke, G.P.; Russel, R.; Fernandez, J.; Morilla, C.; Bueno, R.; Vincueria, I.
Conference Paper
2006Laser applications in crystalline silicon solar cell production
Grohe, A.; Preu, R.; Glunz, S.W.; Willeke, G.
Conference Paper
2006Novel low temperature front side metallisation scheme using selective laser ablation of anti reflection coatings and electroless nickel plating
Grohe, A.; Knorz, A.; Aleman, M.; Harmel, C.; Glunz, S.W.; Preu, R.; Willeke, G.P.
Conference Paper
2006PECVD PSG as a dopant source for industrial solar cells
Benick, J.; Rentsch, J.; Schetter, C.; Voyer, C.; Biro, D.; Preu, R.
Conference Paper
2006PV-Tec: Photovoltaic technology evaluation center
Biro, D.; Preu, R.; Glunz, S.W.; Rein, S.; Rentsch, J.; Emanuel, G.; Brucker, I.; Faasch, T.; Faller, C.; Willeke, G.; Luther, J.
Conference Paper
2006Selective laser ablation of anti-reflection coatings for novel metallization techniques
Grohe, A.; Harmel, C.; Knorz, A.; Glunz, S.W.; Preu, R.; Willeke, G.P.
Conference Paper
2006The status of silicon solar cell production technology development at Fraunhofer ISE
Preu, R.; Biro, D.; Rentsch, J.; Clement, F.; Erath, D.; Emanuel, G.; Grohe, A.; Hofmann, M.; Mette, A.; Voyer, C.; Wolke, W.; Glunz, S.W.; Willeke, G.P.
Conference Paper
2006Successful market entry of applied materials' ATON™ system for sputtered SiN:H
Trassl, R.; Ratschat, H.; Daube, C.; Wieder, S.; Wolke, W.; Preu, R.
Conference Paper
2006Technology route towards industrial application of rear passivated silicon solar cells
Rentsch, J.; Schultz, O.; Grohe, A.; Biro, D.; Preu, R.; Willeke, G.P.
Conference Paper
2006Verfahren zum Aufbringen von elektrischen Kontakten auf halbleitende Substrate, halbleitendes Substrat und Verwendung des Verfahrens
Aleman, M.; Mette, A.; Glunz, S.; Preu, R.
Patent
2006Verfahren zur simultanen Dotierung und Oxidation von Halbleitersubstraten und dessen Verwendung
Biro, D.; Preu, R.; Rentsch, J.
Patent
2005Analysis of silver thick-film contact formation on industrial silicon solar cells
Grupp, G.; Biro, D.; Emanuel, G.; Preu, R.; Schitthelm, F.; Willeke, G.
Conference Paper
2005Comparison of different dielectric passivation layers for application in industrially feasible high-efficiency crystalline silicon solar cells
Glunz, S.W.; Grohe, A.; Hermle, M.; Hofmann, M.; Janz, S.; Roth, T.; Schultz, O.; Vetter, M.; Martin, I.; Ferré, R.; Bermejo, S.; Wolke, W.; Warta, W.; Preu, R.; Willeke, G.
Conference Paper
2005Determining trade-offs between costs of production and cell/module-efficiency with the concept of indifference curves
Jaus, J.; Rentsch, J.; Preu, R.
Conference Paper
2005Economical and ecological aspects of plasma processing for industrial solar cell fabrication
Rentsch, J.; Jaus, J.; Roth, K.; Preu, R.
Conference Paper
2005Experimental investigation towards high throughput rapid thermal firing of EFG SI solar cells
Horzel, J.; Grupp, G.; Preu, R.; Schmidt, W.
Conference Paper
2005Hot melt ink for the front side metallisation of silicon solar cells
Mette, A.; Erath, D.; Ruiz, R.; Emanuel, G.; Kasper, E.; Preu, R.
Conference Paper
2005Industrialisation of dry phosphorus silicate glass etching and edge isolation for crystalline silicon solar cells
Rentsch, J.; Schetter, C.; Schlemm, H.; Roth, K.; Preu, R.
Conference Paper
2005Isotropic plasma texturing of mc-Si for industrial solar cell fabrication
Rentsch, J.; Kohn, N.; Bamberg, F.; Roth, K.; Peters, S.; Lüdemann, R.; Preu, R.
Conference Paper
2005A large area production technology for solar cells - sputter deposition of SiN:H
Ruske, M.; Liu, J.; Wieder, S.; Preu, R.; Wolke, W.
Conference Paper
2005Laser soldering - A technology for better contacts?
Schmidhuber, H.; Klappert, S.; Stollhof, J.; Erfurt, G.; Eberspächer, M.; Preu, R.
Conference Paper
2005Low temperature back contact for high efficiency silicon solar cells
Brendle, W.; Nguyen, V.; Brenner, K.; Rostan, P.J.; Grohe, A.; Schneiderlöchner, E.; Preu, R.; Rau, U.; Palfinger, G.; Werner, J.H.
Conference Paper
2005Peak firing temperature dependence of the microstructure of Ag thick-film contacts on silicon solar cells - a detailed AFM study of the interface
Grupp, G.; Huljic, D.M.; Preu, R.; Willeke, G.; Luther, J.
Conference Paper
2005Progress in the characterisation of laser-fired contacts
Grohe, A.; Zastrow, U.; Meertens, D.; Houben, L.; Brendle, W.; Bilger, G.; Schneiderlöchner, E.; Glunz, S.W.; Preu, R.; Willeke, G.
Conference Paper
2005Progress in the use of sprayed phosphoric acid as an inexpensive dopant source for industrial solar cells
Voyer, C.; Biro, D.; Wagner, K.; Benick, J.; Preu, R.; Koriath, J.; Heintze, M.; Wanka, H.N.
Conference Paper
2005Status and advancement in transferring the laser-fired contact technology to screen-printed silicon solar cells
Schneiderlöchner, E.; Grohe, A.; Fleischhauer, B.; Hofmann, M.; Glunz, S.W.; Preu, R.; Willeke, G.
Conference Paper
2005Surface passivation for solar cells by large scale inline sputtering of silicon nitride
Wolke, W.; Catoir, J.; Preu, R.; Emanuel, G.; Liu, J.; Ruske, M.
Conference Paper
2005Texturing of multicrystalline silicon by laser ablation
Rentsch, J.; Bamberg, F.; Schneiderlöchner, E.; Preu, R.
Conference Paper
2005Verfahren zur Verminderung der Reflexion an Halbleiteroberflaechen
Schneiderloechner, E.; Rentsch, J.; Preu, R.
Patent
2004Comprehensive study of rapid thermal firing for industrial production of crystalline silicon thick-film solar cells
Huljic, D.M.; Grupp, G.; Horzel, J.; Preu, R.
Conference Paper
2004Dry phosphorus silicate glass etching for crystalline Si solar cells
Rentsch, J.; Binaie, F.; Schetter, C.; Schlemm, H.; Roth, K.; Theirich, D.; Preu, R.
Conference Paper
2004Evaluation of dopant sources and deposition methods suitable for in-line diffusion in the PV industry
Voyer, C.; Biro, D.; Emanuel, G.; Preu, R.; Koriath, J.; Wanka, H.
Conference Paper
2004Inline plasma etching of silicon oxides and nitrides for dry processing in silicon solar cell fabrication
Roth, K.; Rentsch, J.; Binaie, F.; Schetter, C.; Preu, R.; Schlemm, H.
Conference Paper
2004Innovative and efficient production processes for silicon solar cells and modules - SOLPRO IV
Preu, R.; Emanuel, G.; Untiedt, D.; Klappert, S.; Schmidhuber, H.; Biro, D.; Voyer, C.; Wolke, W.; Schneiderlöchner, E.
Conference Paper
2004Laser-fired contact silicon solar cells on p- and n-substrates
Glunz, S.W.; Schneiderlöchner, E.; Kray, D.; Grohe, A.; Hermle, M.; Kampwerth, H.; Preu, R.; Willeke, G.
Conference Paper
2004Ökonomische und ökologische Bewertung von Inline-Plasmaätzverfahren zur Herstellung von Siliziumsolarzellen
Jaus, J.
: Rentz, O. (Prüfer); Rosen, J. (Prüfer); Willeke, G. (Prüfer); Preu, R. (Prüfer); Rentsch, J. (Prüfer)
Thesis
2004On the photon-enhanced diffusion of phosphorus in silicon wafers during rapid isothermal processing
Peters, S.; Hickel, P.-E.; Horzel, J.; Noel, S.; Preu, R.
Conference Paper
2004Plasma etching for industrial in-line processing of c-si solar cells
Rentsch, J.; Emanuel, G.; Schetter, C.; Aumann, T.; Theirich, D.; Gentischer, J.; Roth, K.; Fritzsche, M.; Dittrich, K.-H.; Preu, R.
Presentation
2004Production experience and lifetime investigations of industrally fabricated p-type Cz-silicon solar cells
Rentsch, J.; Sparber, W.; Peters, S.; Neuhaus, H.; Glunz, S.W.; Preu, R.; Lüdermann, R.
Conference Paper
2004Silicon nitride - silicon oxide stacks for solar cell rear side passivation
Hofmann, M.; Schneiderlöchner, E.; Wolke, W.; Preu, R.
Conference Paper
2004Silicon solar cells with screen printed-front contact and dielectrically passivated, laser-fired rear electrode
Schneiderlöchner, E.; Emanuel, G.; Grupp, G.; Lautenschlager, H.; Leimenstoll, A.; Glunz, S.W.; Preu, R.; Willeke, G.
Conference Paper
2004SiN:H anti-reflection coatings for c-Si solar cells by large scale inline sputtering
Wolke, W.; Jäckle, A.; Preu, R.; Wieder, S.; Ruske, M.
Conference Paper
2004Transport systems for industrial in-line diffusion of silicon solar cells
Biro, D.; Preu, R.; Willeke, G.; Untiedt, D.; Wandel, G.; Gentischer, J.
Conference Paper
2003Analysis of laser-fired local back surface fields using n+np+ cell structures
Glunz, S.W.; Grohe, A.; Hermle, M.; Schneiderlöchner, E.; Dicker, J.; Preu, R.; Mäckel, H.; Macdonald, D.; Cuevas, A.
Conference Paper
2003Characterization of laser-fired contacts processed on wafers with different resistivity
Grohe, A.; Schneiderlöchner, E.; Hermle, M.; Preu, R.; Glunz, S.W.; Willeke, G.; Walz, S.
Conference Paper
2003Comparison of texturing methods for monocrystalline silicon solar cells using KOH and Na2CO3
Sparber, W.; Schultz, O.; Biro, D.; Emanuel, G.; Preu, R.; Poddey, A.; Borchert, D.
Conference Paper
2003Lifetime improvements of multicrystalline silicon analysed by spatially resolved lifetime measurements
Emanuel, G.; Wolke, W.; Preu, R.
Conference Paper
2003Plasma etching for industrial in-line processing of c-Si solar cells
Rentsch, J.; Emanuel, G.; Schetter, C.; Aumann, T.; Theirich, D.; Gentischer, J.; Roth, K.; Fritzsche, M.; Dittrich, K.-H.; Preu, R.
Conference Paper
2003Scanning ND:YAG laser system for industrially applicable processing in silicon solar cell manufacturing
Schneiderlöchner, E.; Grohe, A.; Glunz, S.W.; Preu, R.; Willeke, G.
Conference Paper
2003Technology path to the industrial production of highly efficient and thin c-Si solar cells
Preu, R.; Biro, D.; Emanuel, G.; Grohe, A.; Hofmann, M.; Huljic, D.M.; Reis, I.E.; Rentsch, J.; Schneiderlöchner, E.; Sparber, W.; Wolke, W.; Willeke, G.
Conference Paper
2003Verfahren zur Herstellung eines Halbleiter-Metallkontaktes durch eine dielektrische Schicht
Preu, R.; Schneiderloechner, E.; Glunz, S.; Luedemann, R.
Patent
2002Advanced diffusion system for low contamination in-line rapid thermal processing of silicon solar cells
Biro, D.; Preu, R.; Schultz, O.; Peters, S.; Huljic, D.M.; Zickermann, D.; Schindler, R.; Ludemann, R.; Willeke, G.
Journal Article
2002High capacity walking string diffusion furnace
Biro, D.; Emanuel, G.; Preu, R.; Willeke, G.
Conference Paper
2002High throughput laser isolation of crystalline silicon solar cells
Emanuel, G.; Schneiderlöchner, E.; Stollhof, J.; Gentischer, J.; Preu, R.; Lüdemann, R.
Conference Paper
2002High-efficiency cell structures for medium-quality silicon
Glunz, S.W.; Dicker, J.; Kray, D.; Lee, J.Y.; Preu, R.; Rein, S.; Schneiderlöchner, E.; Sölter, J.; Warta, W.; Willeke, G.
Conference Paper
2002High-efficiency silicon solar cells for low-illumination applications
Glunz, S.W.; Dicker, J.; Esterle, M.; Hermle, M.; Isenberg, J.; Kamerewerd, F.; Knobloch, J.; Kray, D.; Leimenstoll, A.; Lutz, F.; Oßwald, D.; Preu, R.; Rein, S.; Schäffer, E.; Schetter, C.; Schmidhuber, H.; Schmidt, H.; Steuder, M.; Vorgrimler, C.; Willeke, G.
Conference Paper
2002Innovation in solar cell production technology
Lüdemann, R.; Preu, R.; Willeke, G.
Conference Paper
2002Innovative production technologies for solar modules - SOLPRO III
Klappert, S.; Untiedt, D.; Preu, R.; Emanuel, G.; Huljic, D.; Lüdemann, R.; Eversheim, W.
Conference Paper
2002Investigations on laser-fired contacts for passivated rear solar cells
Schneiderlöchner, E.; Grohe, A.; Ballif, C.; Glunz, S.W.; Preu, R.; Willeke, G.
Conference Paper
2002Laser fired contacts - a fast contact process for passivated rear silicon solar cells
Schneiderlöchner, E.; Grohe, A.; Preu, R.; Glunz, S.W.; Willeke, G.
Conference Paper
2002Laser-fired contacts (LFC)
Schneiderlöchner, E.; Preu, R.; Lüdemann, R.; Glunz, S.W.; Willeke, G.
Conference Paper
2002Laser-fired contacts - transfer of a simple high efficiency process scheme to industrial production
Preu, R.; Schneiderlöchner, E.; Grohe, A.; Glunz, S.W.; Willeke, G.
Conference Paper
2002Laser-fired rear contacts for crystalline silicon solar cells
Schneiderlöchner, E.; Preu, R.; Lüdemann, R.; Glunz, S.W.
Journal Article
2002Laserunterstütztes Verfahren zur Kontaktierung der Rückseite von Silicium-Solarzellen
Grohe, A.; Schneiderlöchner, E.; Emanuel, G.; Preu, R.
Abstract
2002Pad printed front contacts for c-Si solar cells - a technological and economical evaluation
Huljic, D.M.; Thormann, S.; Preu, R.; Lüdemann, R.; Willeke, G.
Conference Paper
2002Progress in screen printed front side metallization schemes for CSiTF solar cells
Rentsch, J.; Huljic, D.M.; Reber, S.; Preu, R.; Lüdemann, R.
Conference Paper
2002Rapid thermal surface passivation of silicon solar cells
Peters, S.; Ballif, C.; Borchert, D.; Huljic, D.M.; Lee, J.Y.; Preu, R.; Radt, V.; Schindler, R.; Schneiderlöchner, E.; Warta, W.
Conference Paper
2002Screen printed selective emitters prepared by fast and rapid thermal diffusion
Biro, D.; Schultz, O.; Preu, R.; Ballif, C.; Zickermann, D.; Lüdemann, R.
Conference Paper
2001Advanced diffusion system for low contamination in-line rapid thermal processing of silicon solar cells
Biro, D.; Preu, R.; Schulz, O.; Peters, S.; Huljic, D.M.; Zickermann, D.; Schindler, R.; Lüdemann, R.; Willeke, G.
Conference Paper
2001Innovative Produktionstechnologien für kristalline Silicium-Solarzellen
Preu, R.
Dissertation
2000Innovative production technologies for solar cells - SOLPRO
Preu, R.; Lüdemann, R.; Emanuel, G.; Wettling, W.; Eversheim, W.; Güthenke, G.; Untiedt, D.; Schweitzer, G.
Conference Paper
2000Laser ablation - a new low-cost approach for passivated rear contact formation in crystalline silicon solar cell technology
Preu, R.; Glunz, S.W.; Schäfer, S.; Lüdemann, R.; Wettling, W.; Pfleging, W.
Conference Paper
2000Laser micromachining for applications in thin film technology
Pfleging, W.; Ludwig, A.; Seemann, K.; Preu, R.; Mäckel, H.; Glunz, S.W.
Journal Article
2000New simplified methods for patterning the rear contact of RP-PERC high-efficiency solar cells
Glunz, S.W.; Preu, R.; Schaefer, S.; Schneiderlöchner, E.; Pfleging, W.; Lüdemann, R.; Willeke, G.
Conference Paper
2000Plasma etched PERC and buried base contact solar cells
Schaefer, S.; Preu, R.; Lüdemann, R.; Glunz, S.W.
Conference Paper
2000Rapid thermal firing of screen printed contacts for large area crystalline silicon solar cells
Huljic, D.M.; Biro, D.; Preu, R.; Craff-Castillo, C.; Lüdemann, R.
Conference Paper
2000Sputtering - a key technology for thin film coatings in crystalline silicon solar cell production
Krempel-Hesse, J.; Preu, R.; Lautenschlager, H.; Lüdemann, R.
Conference Paper
2000Sputtering - a key technology for thin film deposition in crystalline silicon solar cell production?
Preu, R.; Krempel-Hesse, J.; Biro, D.; Huljic, D.M.; Mäckel, H.; Lüdemann, R.
Conference Paper
2000Verfahren und Vorrichtung zur selektiven Kontaktierung von Solarzellen
Preu, R.; Glunz, S.
Patent
2000Vorrichtung zum kontaminationsfreien, kontinuierlichen oder getakteten Transport von scheibenfoermigen Gegenstaenden, insbesondere Substraten oder Wafern, durch eine geschlossene Behandlungsstrecke
Schmutz, W.; Gentischer, J.; Preu, R.; Moeller, R.; Guethenke, G.; Schweitzer, G.
Patent
1999Fine-line screen printing for solar cells
Reis, I.E.; Huljic, D.; Hahne, P.; Preu, R.; Zickermann, D.; Bucher, B.; Fleischer, P.V.
Conference Paper
1998Pad printing - a novel thick-film technique of fine-line printing for solar cells
Hahne, P.; Reis, I.E.; Hirth, E.; Huljic, D.M.; Preu, R.
Conference Paper
1998Screen printed and RT-processed emitters for crystalline silicon solar cells
Preu, R.; Schumacher, J.O.; Hahne, P.; Lautenschlager, H.; Reis, I.E.; Glunz, S.W.; Warta, W.
Conference Paper
1997Optimisation of cell interconnectors for PV module performance enhancement
Preu, R.; Koltay, P.; Schmidhuber, H.; Bücher, K.
Conference Paper
1995Einfache Beschreibung des temperatur- und einstrahlungsabhängigen Verhaltens von Solarzellen
Kleiss, G.; Lipps, F.; Preu, R.; Reiche, F.; Bücher, K.
Abstract
1995PV-module reflection losses: Measurement, simulation and influence on energy yield and performance ratio
Preu, R.; Kleiss, G.; Reiche, K.; Bücher, K.
Conference Paper
1994Effects of advantageous placing of PV cells and modules in generating units
Reiche, K.; Preu, R.; Kleiss, G.; Bücher, K.
Conference Paper