Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2021Parameterization of the Back-Surface Reflection for PERC Solar Cells Including Variation of Back-Contact Coverage
Alapont Sabater, A.; Fell, A.; Brand, A.A.; Müller, M.; Greulich, J.M.
Zeitschriftenaufsatz
2021Project "FEUERDRACHE": Process Development and Control of Contact Firing Processes for High-Efficiency Silicon Solar Cells
Emanuel, G.; Ourinson, D.; Dammaß, G.; Müller, H.; Sternkiker, C.; Ogiewa, F.; Rahmanpour, K.; Javaid, T.; Csordás, A.; Nold, S.; Glunz, S.W.; Clement, F.
Konferenzbeitrag
2021Temperature Gradient Image Analysis to optimize an Ultrafast Regeneration of boron-oxygen-related defects
Roder, S.; Niewelt, T.; Brand, A.; Schneider, J.; Nekarda, J.
Zeitschriftenaufsatz
2020Comprehensive Evaluation of IEC Measurement Procedures for Bifacial Solar Cells and Modules
Rauer, M.; Schmid, A.; Guo, F.; Neuberger, F.; Gebhardt, P.; Hohl-Ebinger, J.
Konferenzbeitrag
2020Contacting of Busbarless Solar Cells for Accurate I-V Measurements
Bothe, K.; Kruse, C.; Hinken, D.; Brendel, R.; Rauer, M.; Hohl-Ebinger, J.
Konferenzbeitrag
2020Efficient Deployment of Deep Neural Networks for Quality Inspection of Solar Cells using Smart Labeling
Kunze, P.; Greulich, J.; Rein, S.; Ramspeck, K.; Hemsendorf, M.; Vetter, A.; Demant, M.
Konferenzbeitrag
2020Evaluation of Inline High-Intensity Illumination Treatments against LeTID
Vahlman, H.; Roder, S.; Krauß, K.; Nekarda, J.; Rein, S.
Konferenzbeitrag
2020Machine Learning for Advanced Solar Cell Production. Adversarial Denoising, Sub-pixel Alignment and the Digital Twin
Demant, M.; Kurumundayil, L.; Kunze, P.; Woernhoer, A.; Kovvali, A.; Rein, S.
Vortrag
2020Results of the Bifacial PV Cells and PV Modules Power Measurement Round Robin Activity of the PV-Enerate Project
Koutsourakis, G.; Rauer, M.; Schmid, A.; Bellenda, G.; Betts, T.; Blakesley, J.; Bliss, M.; Bonilla Castro, J.; Bothe, K.; Dittmann, S.; Lopez-Garcia, J.; Herrmann, W.; Hinken, D.; Kenny, R.; Molinero, R.; Pavanello, D.; Riechelmann, S.; Sträter, H.; Vegas, A.; Winter, S.
Konferenzbeitrag
2020Review and Recent Development in Combining Photoluminescence- and Electroluminescence-Imaging with Carrier Lifetime Measurements via Modulated Photoluminescence at Variable Temperatures
Höffler, H.; Schindler, F.; Brand, A.; Herrmann, D.; Eberle, R.; Post, R.; Kessel, A.; Greulich, J.; Schubert, M.C.
Konferenzbeitrag
2019Influence of Fundamental Model Uncertainties on Silicon Solar Cell Efficiency Simulations
Wasmer, S.; Fell, A.; Greulich, J.M.
Zeitschriftenaufsatz
2019Learning Quality Rating of As-Cut mc-Si Wafers via Convolutional Regression Networks
Demant, M.; Virtue, P.; Kovvali, A.; Yu, S.X.; Rein, S.
Zeitschriftenaufsatz
2019Non-Destructive Approach for Measuring Base Resistivity of Emitter-Diffused, Partially-Processed Wafers Using Temperature-Stage QSSPC
Kuruganti, V.; Haunschild, J.; Brand, A.; Al-Hajjawi, S.; Rein, S.; Glunz, S.W.
Konferenzbeitrag
2019Results of four European round-robins on short-circuit current temperature coefficient measurements of photovoltaic devices of different size
Salis, E.; Pavanello, D.; Kröger, I.; Winter, S.; Bothe, K.; Hinken, D.; Gandy, T.; Hohl-Ebinger, Jochen; Friesen, G.; Dittmann, S.; Dubard, J.; Müllejans, H.
Zeitschriftenaufsatz
2019Sorting Criteria for Bifacial PERC Cells for Improved Module Classification
Wöhrle, N.; Alapont-Sabater, A.; Krieg, A.; Ramspeck, K.; Fellmeth, T.; Schmid, A.; Rein, S.
Konferenzbeitrag
2019Vignetting in Luminescence Imaging of Solar Cells
Dost, G.; Höffler, H.; Greulich, J.M.
Zeitschriftenaufsatz
2019Visualizing Material Quality and Similarity of mc-Si Wafers Learned by Convolutional Regression Networks
Demant, M.; Virtue, P.; Kovvali, A.; Yu, S.X.; Rein, S.
Zeitschriftenaufsatz
2018Deep Learning Approach to Inline Quality Rating and Mapping of Multi-Crystalline Si-Wafers
Demant, M.; Virtue, P.; Kovvali, A.S.; Yu, S.X.; Rein, S.
Konferenzbeitrag
2018Industrial biPERC Solar Cells with Varied Rear Side Characteristics under Bifacial Illumination
Wöhrle, N.; Fellmeth, T.; Krieg, A.; Palinginis, P.; Weber, T.; Steckemetz, S.; Ramspeck, K.; Greulich, J.; Rein, S.
Konferenzbeitrag
2018IV-Measurements of Bifacial Solar Cells in an Inline Solar Simulator with Double-Sided Illumination
Krieg, A.; Greulich, J.; Ramspeck, K.; Dzafic, D.; Wöhrle, N.; Rauer, M.; Rein, S.
Konferenzbeitrag
2017Angle-dependent reflectance of isotextured silicon
Alapont Sabater, A.; Greulich, J.; Tucher, N.; Bläsi, B.; Glunz, S.W.
Konferenzbeitrag
2017Comparison of inline hot spot detection and evaluation algorithms for crystalline silicon solar cells
Wasmer, S.; Geisemeyer, I.; Pfengler, D.; Greulich, J.; Rein, S.
Konferenzbeitrag
2017A cost-driven research strategy towards industrially feasible high-efficiency back-contact back-junction silicon solar cells
Huyeng, J.; Spribille, A.; Nold, S.; Efinger, R.; Keding, R.; Doll, O.; Clement, F.
Konferenzbeitrag
2017Identification of defect-suppressing grain boundaries in multicrystalline silicon based on measurements of as-cut wafers using advanced image processing
Strauch, T.; Demant, M.; Krenckel, P.; Riepe, S.; Rein, S.
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Konferenzbeitrag
2017Review of tools and approaches for inline quality control in high efficiency silicon solar cell production
Haunschild, J.; Greulich, J.; Höffler, H.; Wasmer, S.; Emanuel, G.; Krieg, A.; Friedrich, L.; Rein, S.
Konferenzbeitrag
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.
Konferenzbeitrag
2017Validation of analytic modelling of local rear contacts in PERC/PERL solar cells
Saint-Cast, P.; Wöhrle, N.; Greulich, J.M.
Konferenzbeitrag
2016Analysis of grain structure evolution via image processing based on optical measurements of mc Si wafers
Strauch, T.; Demant, M.; Krenckel, P.; Riepe, S.; Rein, S.
Konferenzbeitrag
2016Investigation of UV-Induced Degradation of Different Types of WPVS Reference Solar Cells
Kröger, I.; Hohl-Ebinger, J.; Brachmann, S.; Winter, S.
Konferenzbeitrag
2016Microcracks in silicon wafers I: Inline detection and implications of crack morphology on wafer strength
Demant, M.; Welschehold, T.; Oswald, M.; Bartsch, S.; Brox, T.; Schoenfelder, S.; Rein, S.
Zeitschriftenaufsatz
2016Microcracks in silicon wafers II: Implications on solar cell characteristics, statistics and physical origin
Demant, M.; Welschehold, T.; Kluska, S.; Rein, S.
Zeitschriftenaufsatz
2016PC1Dmod 6.2 - improved simulation of c-Si devices with updates on device physics and user interface
Haug, H.; Greulich, J.
Zeitschriftenaufsatz
2015Comprehensive simulation and acceleration of the foil-metallization laser process
Graf, M.; Nekarda, J.; Lazzarotto Togny, F.; Streek, A.; Böhme, R.; Preu, R.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
2015Investigating the impact of parameter and process variations on multicrystalline PERC cell efficiency
Wasmer, S.; Greulich, J.; Höffler, H.; Haunschild, J.; Demant, M.; Rein, S.
Konferenzbeitrag
2015Light-induced degradation of silicon solar cells with aluminium oxide passivated rear side
Krauss, K.; Fertig, F.; Menzel, D.; Rein, S.
Zeitschriftenaufsatz
2015Optical simulation and analysis of iso-textured silicon solar cells and modules including light trapping
Greulich, J.; Volk, A.-K.; Wöhrle, N.; Hädrich, I.; Wiese, M.; Hermle, M.; Rein, S.
Zeitschriftenaufsatz
2015Short-circuit current density imaging methods for silicon solar cells
Fertig, F.; Padilla, M.; Breitenstein, O.; Höffler, H.; Geisemeyer, I.; Schubert, M.C.; Rein, S.
Zeitschriftenaufsatz
2014The BOSCO solar cell: Simulation and experiment
Fertig, F.; Greulich, J.; Krauss, K.; Clement, F.; Biro, D.; Preu, R.; Rein, S.
Zeitschriftenaufsatz
2014Contacting bare silicon solar cells with advanced cell metallisation
Geisemeyer, I.; Kallies, C.; Hohl-Ebinger, J.; Warta, W.
Konferenzbeitrag
2014Efficiency potential simulation for an industrially feasible LFC-PERC concept with sensitivity analysis on crucial cell parameters
Wöhrle, N.; Greulich, J.; Graf, M.; Hermle, M.; Rein, S.
Konferenzbeitrag
2014Micro-cracks in silicon wafers and solar cells: Detection and rating of mechanical strength and electrical quality
Demant, M.; Oswald, M.; Welschehold, T.; Nold, S.; Bartsch, S.; Schoenfelder, S.; Rein, S.
Konferenzbeitrag
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.
Konferenzbeitrag
2014Two image processing tools to analyse alkaline texture and contact finger geometry in microscope images
Strauch, T.; Demant, M.; Lorenz, A.; Haunschild, J.; Rein, S.
Konferenzbeitrag
2014Ultrafine front side metallization on silicon solar cells by industrial dispensing technology
Pospischil, M.; Kuchler, M.; Klawitter, M.; Rodriguez, C.; Padilla, A.; Efinger, R.; Gentischer, H.; König, M.; Hörteis, M.; Wende, L.; Doll, O.; Clement, F.; Biro, D.
Konferenzbeitrag
2013Anti-reflection-coating thickness measurements on textured silicon surfaces: Evaluation and accuracy of different measurement techniques
Krieg, A.; Greulich, J.; Tondorf, M.; Rein, S.
Konferenzbeitrag
2013Evaluation and improvement of a feature-based classification framework to rate the quality of multicrystalline silicon wafers
Demant, M.; Höffler, H.; Schwaderer, D.; Seidl, A.; Haunschild, J.; Rein, S.
Konferenzbeitrag
2013A novel approach for single side wet chemical polishing of crystalline silicon solar cells
Richter, M.; Kästner, G.; Zimmer, M.; Fischer, A.; Corda, M.; Hain, A.
Konferenzbeitrag
2013A novel approach to high performance and cost effective surface cleaning for high efficiency solar cells
Moldovan, A.; Zimmer, M.; Rentsch, J.; Ferstl, B.; Rajagopalan, B.; Thate, S.; Hoogboom, J.; Ross, M.
Konferenzbeitrag
2012Surface contamination of silicon wafer after acidic texturisation
Oltersdorf, A.; Moldovan, A.; Bayer, M.; Zimmer, M.; Rentsch, J.
Konferenzbeitrag
2011Can luminescence imaging replace lock-in thermography on solar cells?
Breitenstein, O.; Warta, W.; Schubert, M.C.; Kwapil, W.; Müller, J.; Hinken, D.; Bothe, K.; Bauer, J.
Zeitschriftenaufsatz
2011Comprehensive characterization of advanced cell concepts with sub-micron resolution
Gundel, P.; Drießen, M.; Bartsch, J.; Jäger, U.; Suwito, D.; Heinz, F.D.; Warta, W.; Schubert, M.C.
Konferenzbeitrag
2011Imaging of metastable defects in silicon
Schubert, M.C.; Habenicht, H.; Warta, W.
Zeitschriftenaufsatz
2011Measurement and simulation of vibrations of PV-modules induced by dynamic mechanical loads
Assmus, M.; Jack, S.; Weiss, K.-A.; Koehl, M.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
2010Analysis of luminescence images applying pattern recognition techniques
Demant, M.; Glatthaar, M.; Haunschild, J.; Rein, S.
Konferenzbeitrag
2010Approach to the physical origin of breakdown in silicon solar cells by optical spectroscopy
Gundel, P.; Kwapil, W.; Schubert, M.C.; Seifert, H.; Warta, W.
Zeitschriftenaufsatz
2010Beam shaping - the key to high throughput selective emitter laser processing with a single laser system
Jäger, U.; Oesterlin, P.; Kimmerle, A.; Preu, R.
Konferenzbeitrag
2010Characterisation of local Al-BSF formation for PERC solar cell structures
Grasso, F.S.; Gautero, L.; Rentsch, J.; Preu, R.; Lanzafame, R.
Konferenzbeitrag
2010Doping concentration and mobility in compensated material: Comparison of different determination methods
Geilker, J.; Kwapil, W.; Reis, I.; Rein, S.
Konferenzbeitrag
2010High speed laser drilling: Parameter evaluation and characterisation
Knorz, A.; Gutscher, S.; Fell, A.; Gundel, P.; Preu, R.
Konferenzbeitrag
2010Impact of stress on recombination of metal precipitates in silicon
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Kwapil, W.; Warta, W.; Martinez-Criado, G.; Reiche, M.; Weber, E.R.
Zeitschriftenaufsatz
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.
Konferenzbeitrag
2010Luminescence imaging for quantitative solar cell material and process characterization
Glatthaar, M.; Haunschild, J.; Zeidler, R.; Rentsch, J.; Rein, S.; Breitenstein, O.; Hinken, D.; Bothe, K.
Konferenzbeitrag
2010Mapping the quantitative carrier lifetime and doping concentration with micro resolution
Heinz, F.D.; Gundel, P.; Schubert, M.C.; Warta, W.
Konferenzbeitrag
2010Photoluminescence imaging of chromium in crystalline silicon
Habenicht, H.; Schubert, M.C.; Coletti, G.; Warta, W.
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Konferenzbeitrag
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.
Konferenzbeitrag
2010Quality control using luminescence imaging in production of mc-silicon solar cells from UMG feedstock
Haunschild, J.; Glatthaar, M.; Riepe, S.; Rein, S.
Konferenzbeitrag
2010Recombination activity enhancement by stress in silicon
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Warta, W.
Konferenzbeitrag
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.
Konferenzbeitrag
2010Simultaneous determination of carrier lifetime and net dopant concentration of silicon wafers from photoluminescence
Giesecke, J.A.; Walter, D.; Kopp, F.; Rosenits, P.; Schubert, M.C.; Warta, W.
Konferenzbeitrag
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.
Konferenzbeitrag
2010Surface texturing for crystalline silicon wafers with wafer thickness down to 100 µm
Souren, F.M.M.; Sanden, M.C.M. van de; Seiffe, J.; Rentsch, J.
Konferenzbeitrag
2010Towards the automation of the acidic texturisation process
Zimmer, M.; Dannenberg, T.; Birmann, K.; Rentsch, J.
Konferenzbeitrag
2010Wafer identification using laser marked data matrix codes
Krieg, A.; Schmitt, C.; Rein, C.; Nübling, S.; Schneider, P.
Konferenzbeitrag