Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Advanced BBr3 diffusion with second deposition step for selective emitter formation by laser doping
Lohmüller, S.; Lohmüller, E.
Journal Article
2018BBr3 diffusion with second deposition for laser-doped selective emitters from borosilicate glass
Lohmüller, E.; Lohmüller, S.; Wöhrle, N.; Belledin, U.; Wolf, A.
Journal Article
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
2018Development and characterization of multifunctional PECVD SiNX:P layers for laser-doped selective emitters
Norouzi, M.H.; Saint-Cast, P.; Lohmüller, E.; Weber, J.; Gutscher, S.; Bartsch, J.; Kluska, S.; Steinhauser, B.; Lohmüller, S.; Bitnar, B.; Neuhaus, D.-H.; Palinginis, P.; Benick, J.; Hofmann, M.; Wolf, A.
Conference Paper
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
2018Laser-Doped Selective Emitter - Process Development and Speed-Up
Weber, J.; Gutscher, S.; Lohmüller, S.; Lohmüller, E.; Brand, A.A.
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
2018Selective Emitter Using APCVD PSG Layer as Doping Source
Saint-Cast, P.; Belledin, U.; Lohmüller, E.; Kafle, B.; Weber, J.; Seren, S.; Lohmüller, S.; Wolf, A.; Hofmann, M.
Conference Paper
2018Simulations on Laser-Phosphorous-Doped Selective Emitters
Weber, J.; Lohmüller, S.; Lohmüller, E.; Wasmer, S.; Nekarda, J.; Brand, A.A.
Conference Paper
2018Towards 90% Bifaciality for p-Type Cz-Si Solar Cells by Adaption of Industrial PERC Processes
Lohmüller, E.; Lohmüller, S.; Norouzi, M.H.; Saint-Cast, P.; Weber, J.; Meier, S.; Wolf, A.
Conference Paper
2018Transfer of POCl3 diffusion processes from atmospheric pressure to high throughput low pressure
Lohmüller, S.; Schmidt, S.; Lohmüller, E.; Piechulla, A.; Belledin, U.; Herrmann, D.; Wolf, A.
Conference Paper
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
2017Bifacial p-type silicon PERL solar cells with screen-printed pure silver metallization and 89% bifaciality
Lohmüller, E.; Werner, S.; Norouzi, M.H.; Mack, S.; Demant, M.; Gutscher, S.; Saint-Cast, P.; Wasmer, S.; Wöhrle, N.; Bitnar, B.; Steckemetz, S.; Palinginis, P.; Neuhaus, H.; König, M.; Wolf, A.
Conference Paper
2017Challenges for lowly-doped phosphorus emitters in silicon solar cells with screen-printed silver contacts
Werner, S.; Lohmüller, E.; Maier, S.; Mourad, S.; Wolf, A.
Journal Article, Conference Paper
2017Development and characterization of multifunctional PassDop layers for local p+-laser doping
Norouzi, M.; Saint-Cast, P.; Lohmüller, E.; Steinhauser, B.; Benick, J.; Werner, S.; Bitnar, B.; Palinginis, P.; Neuhaus, H.; Hofmann, M.; Wolf, A.
Journal Article, 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
2017Low-Ohmic Contacting of Laser-Doped p-Type Silicon Surfaces with Pure Ag Screen-Printed and Fired Contacts
Lohmüller, E.; Werner, S.; Norouzi, M.H.; Gutscher, S.; Demant, M.; Saint-Cast, P.; Linse, M.; Bitnar, B.; Palinginis, P.; Neuhaus, H.; Wolf, A.
Journal Article
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
2017Suitability of POCL3 diffusion processes with in-situ oxidation for forming laser-doped selective emitters with low carrier recombination
Werner, S.; Lohmüller, E.; Weber, J.; Wolf, A.
Conference Paper
201620% efficient n-type Cz-Si MWT solar cells with adjustable reverse behavior
Lohmüller, E.; Werner, S.; Maus, S.; Brand, A.; Jäger, U.; Clement, F.
Journal Article
2016Bifacial potential of single- and double-sided collecting silicon solar cells
Fertig, F.; Wöhrle, N.; Greulich, J.; Krauß, K.; Lohmüller, E.; Meier, S.; Wolf, A.; Rein, S.
Journal Article
2016Extending the limits of screen-printed metallization of phosphorus- and boron-doped surfaces
Werner, S.; Lohmüller, E.; Wolf, A.; Clement, F.
Journal Article, Conference Paper
2016Simplified fabrication of n-type Cz-Si HIP-MWT+ solar cells with 20% efficiency using laser structuring
Lohmüller, E.; Werner, S.; Maus, S.; Brand, A.; Jäger, U.; Nekarda, J.; Clement, F.
Journal Article, Conference Paper
2016Towards understanding the characteristics of Ag-Al spiking on boron-doped silicon for solar cells
Wöhrle, N.; Lohmüller, E.; Greulich, J.; Werner, S.; Mack, S.
Journal Article
2015Development, characterization and modelling of doping profile, contact resistance, and metal spiking in diffused and screen-printed boron emitters
Wöhrle, N.; Lohmüller, E.; Werner, S.; Greulich, J.
Conference Paper
2015Electrical properties of the rear contact structure of MWT silicon solar cells
Lohmüller, E.; Thanasa, M.; Thaidigsmann, B.; Clement, F.; Biro, D.
Journal Article
2015Impact of boron doping profiles on the specific contact resistance of screen printed Ag-Al contacts on silicon
Lohmüller, E.; Werner, S.; Hoenig, R.; Greulich, J.; Clement, F.
Journal Article, Conference Paper
2015Optimization of BBr3 diffusion processes for n-type silicon solar cells
Werner, S.; Lohmüller, E.; Belledin, U.; Vlooswijk, A.H.G.; Naber, R.C.G.; Mack, S.; Wolf, A.
Conference Paper
2015Transfer of the metal wrap through solar cell concept to n-type silicon
Lohmüller, E.
Dissertation
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 HIP-MWT+ solar cell concept on N-type silicon and metallization-induced voltage losses
Lohmüller, E.; Werner, S.; Thaidigsmann, B.; Wöhrle, N.; Mack, S.; Clement, F.; Biro, D.
Conference Paper
2014Photovoltaische Solarzelle und Verfahren zum Herstellen einer photovoltaischen Solarzelle
Thaidigsmann, Benjamin; Lohmüller, Elmar; Clement, Florian; Wolf, Andreas; Biro, Daniel
Patent
2014Process optimization for the front side of P-type silicon solar cells
Werner, S.; Lohmüller, E.; Maier, S.; Kimmerle, A.; Spribille, A.; Wasmer, S.; Clement, F.; Wolf, A.
Conference Paper
2014Reverse bias behavior of diffused and screen-printed n-type Cz-Si solar cells
Lohmüller, E.; Fertig, F.; Werner, S.; Geisemeyer, I.; Clement, F.; Biro, D.
Journal Article
2013Characterization and modeling of screen-printed metal insulator semiconductor tunnel junctions for integrated bypass functionality in crystalline silicon solar cells
Thaidigsmann, Benjamin; Lohmüller, Elmar; Fertig, Fabian; Clement, Florian; Wolf, Andreas
Journal Article
2013Depletion of boron-doped surfaces protected with barrier layers during POCL3-diffusion
Lohmüller, E.; Werner, S.; Schön, J.; Thanas, M.; Mack, S.; Wolke, W.; Wolf, A.; Clement, F.; Biro, D.
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
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
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
2013Transfer of the HIP-MWT solar cell concept to n-type silicon
Lohmüller, E.; Thaidigsmann, B.; Clement, F.; Wolf, A.; Biro, D.
Journal Article, Conference Paper
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
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
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
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
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
2012Verfahren zur Herstellung einer metallischen Kontaktstruktur einer Halbleiterstruktur mit Durchkontaktierung und photovoltaische Solarzelle
Lohmüller, E.; Thaidigsmann, B.; Bartsch, J.; Clement, F.; Wolf, A.
Patent
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
2011Advanced metallization of rear surface passivated metal wrap through silicon solar cells
Lohmüller, E.; Thaidigsmann, B.; Bartsch, J.; Harmel, C.; Specht, J.; Wolf, A.; Clement, F.; Hörteis, M.; Biro, D.
Conference Paper, Journal Article
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
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
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
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
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
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