Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2021Efficiency Potential Analysis of p- and n-Type Epitaxially Grown Si Wafers
Rittmann, C.; Dalke, J.; Drießen, M.; Weiss, C.; Schindler, F.; Sorgenfrei, R.; Schubert, M.C.; Janz, S.
Konferenzbeitrag
2021Gallium-Doped Silicon for High-Efficiency Commercial Passivated Emitter and Rear Solar Cells
Grant, N.E.; Altermatt, P.P.; Niewelt, T.; Post, R.; Kwapil, W.; Schubert, M.C.; Murphy, J.D.
Zeitschriftenaufsatz
2020Assessment of Influencing Factors on Lifetime-Based Defect Analysis
Post, R.; Niewelt, T.; Kwapil, W.; Schubert, M.C.
Konferenzbeitrag
2020LeTID- and (Extended) BO-Related Degradation and Regeneration in B- and Ga-Doped Monocrystalline Silicon during Dark and Illuminated Anneals
Kwapil, W.; Dalke, J.; Niewelt, T.; Schubert, M.C.
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
2019Edge Recombination Analysis of Silicon Solar Cells Using Photoluminescence Measurements
Stolzenburg, H.; Fell, A.; Schindler, F.; Kwapil, W.; Richter, A.; Baliozan, P.; Schubert, M.C.
Konferenzbeitrag
2019Investigation of LeTID where we can Control it - Application of FZ Silicon for Defect Studies
Niewelt, T.; Post, R.; Schindler, F.; Kwapil, W.; Schubert, M.C.
Konferenzbeitrag
2019Re-evaluation of the SRH-Parameters for the FeGa Defect
Post, R.; Niewelt, T.; Yang, W.; Macdonald, D.; Kwapil, W.; Schubert, M.C.
Konferenzbeitrag
2018Prediction of Local Temperature Dependent Performance of Silicon Solar Cells
Eberle, R.; Fell, A.; Mägdefessel, S.; Schindler, F.; Schubert, M.C.
Konferenzbeitrag
2018Stress mapping by confocal raman spectroscopy on solar cells and modules
Beinert, Andreas J.; Büchler, A.; Romer, P.; Heinrich, M.; Schubert, M.C.; Aktaa, J.; Eitner, U.
Konferenzbeitrag
2017Approaching 22% efficiency with multicrystalline n-type silicon solar cells
Benick, J.; Müller, R.; Schindler, F.; Richter, A.; Hauser, H.; Feldmann, F.; Krenckel, P.; Riepe, S.; Schubert, M.C.; Hermle, M.; Glunz, S.W.
Konferenzbeitrag
2017Light-induced activation and deactivation of bulk defects in boron-doped float-zone silicon
Niewelt, T.; Selinger, M.; Grant, N.; Kwapil, W.M.; Murphy, J.D.; Schubert, M.C.
Zeitschriftenaufsatz
2017Superacid-treated silicon surfaces: Extending the limit of carrier lifetime for photovoltaic applications
Grant, N.E.; Niewelt, T.; Wilson, N.R.; Wheeler-Jones, E.C.; Bullock, J.; Al-Amin, M.; Schubert, M.C.; Veen, A.C. van; Javey, A.; Murphy, J.D.
Zeitschriftenaufsatz
2016Material limits of silicon from state-of-the-art photoluminescence imaging techniques
Schindler, F.; Giesecke, J.; Michl, B.; Schön, J.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C.
Konferenzbeitrag
2015Carrier recombination at metallic precipitates in p- and n-type silicon
Kwapil, W.; Schön, J.; Warta, W.; Schubert, M.C.
Zeitschriftenaufsatz
2015Development of multicrystalline silicon for 20 % efficient n-Type solar cells
Riepe, S.; Krenckel, P.; Schindler, F.; Schmid, C.; Strauch, T.; Benick, J.; Schubert, M.C.
Konferenzbeitrag
2015Harmonically modulated luminescence: Bridging gaps in carrier lifetime metrology across the PV processing chain
Giesecke, J.; Schubert, M.C.; Schindler, F.; Warta, W.
Zeitschriftenaufsatz
2015Potential gain in multicrystalline silicon solar cell efficiency by n-Type doping
Schindler, F.; Michl, B.; Kleiber, A.; Steinkemper, H.; Schön, J.; Kwapil, W.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C.
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
2014Characterizing local contact resistances of interdigitated back contact silicon solar cells
Padilla, M.; Michl, B.; Reichel, C.; Hagedorn, N.; Kluska, S.; Haag, S.; Keding, R.; Fell, A.; Kasemann, M.; Warta, W.; Schubert, M.C.
Konferenzbeitrag
2014Introduction to in-situ produced perovskite solar cells
Hinsch, A.; Mastroianni, S.; Brandt, H.; Heinz, F.; Schubert, M.C.; Veurman, W.
Konferenzbeitrag
2014The potential of multicrystalline n-type silicon for high efficiency solar cells
Schindler, F.; Michl, B.; Kleiber, A.; Steinkemper, H.; Schön, J.; Kwapil, W.; Krenckel, P.; Riepe, S.; Warta, W.; Schubert, M.C.
Konferenzbeitrag
2013The impact of different diffusion temperature profiles on iron concentrations and carrier lifetimes in multicrystalline silicon wafers
Michl, B.; Schön, J.; Warta, W.; Schubert, M.C.
Zeitschriftenaufsatz
2013Material limitations due to crucible impurities in multicrystalline silicon for high efficiency solar cells
Schindler, F.; Michl, B.; Schön, J.; Kwapil, W.; Warta, W.; Schubert, M.C.
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
2011Comprehensive microscopic analysis of laser-induced high doping regions in silicon
Gundel, P.; Suwito, D.; Jäger, U.; Heinz, F.D.; Warta, W.; Schubert, M.C.
Zeitschriftenaufsatz
2011Evaluating the aluminum-alloyed p+-layer of silicon solar cells by emitter saturation current density and optical microspectroscopy measurements
Woehl, R.; Gundel, P.; Krause, J.; Rühle, K.; Heinz, F.D.; Rauer, M.; Schmiga, C.; Schubert, M.C.; Warta, W.; Biro, D.
Zeitschriftenaufsatz
2011From Injection Dependent Lifetime to Solar Cell Efficiency
Michl, B.; Rüdiger, M.; Giesecke, J.A.; Hermle, M.; Warta, W.; Schubert, M.C.
Konferenzbeitrag
2011Imaging of metastable defects in silicon
Schubert, M.C.; Habenicht, H.; Warta, W.
Zeitschriftenaufsatz
2011Understanding junction breakdown in multicrystalline solar cells
Breitenstein, O.; Bauer, J.; Bothe, K.; Kwapil, W.; Lausch, D.; Rau, U.; Schmidt, J.; Schneemann, M.; Schubert, M.C.; Wagner, J.-M.; Warta, W.
Zeitschriftenaufsatz
2011Understanding the distribution of iron in multicrystalline silicon after emitter formation
Schön, J.; Habenicht, H.; Schubert, M.C.; Warta, W.
Zeitschriftenaufsatz
20102D modeling of the iron concentration from crystallization to final firing of mc silicon solar cells
Schön, J.; Schubert, M.C.; Habenicht, H.; Warta, W.
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
2010Cause of increased currents under reverse-bias conditions of upgraded metallurgical grade multicrystalline silicon solar cells
Kwapil, W.; Wagner, M.; Schubert, M.C.; Warta, W.
Konferenzbeitrag
2010Conductivity mobility and hall mobility in compensated multicrystalline silicon
Schindler, F.; Geilker, J.; Kwapil, W.; Giesecke, J.; Schubert, M.C.; Warta, W.
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
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
2010Recombination activity enhancement by stress in silicon
Gundel, P.; Schubert, M.C.; Heinz, F.D.; Warta, W.
Konferenzbeitrag
2010The role of material quality in EWT and standard solar cells on multicrystalline standard and UMG silicon material
Schubert, M.C.; Rüdiger, M.; Michl, B.; Schindler, F.; Kwapil, W.; Giesecke, J.; Hermle, M.; Warta, W.; Ferré, R.; Wade, R.; Petter, K.
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
2009Analysis of performance limiting material properties of multicrystalline silicon
Warta, W.; Schubert, M.C.; Habenicht, H.; Kasemann, M.; Kwapil, W.; Gundel, P.; Schön, J.
Konferenzbeitrag
2009Impact of SiNx:H and Al2O3 surface passivation on interstitial iron concentration and carrier lifetime in mc-silicon wafers
Habenicht, H.; Schubert, M.C.; Richter, A.; Warta, W.
Konferenzbeitrag
2009Influence of depth dependent profiles on carrier density measurements
Schubert, M.C.; Kerler, M.J.; Warta, W.
Konferenzbeitrag
2009Micro-luminescence spectroscopy on multicrystalline silicon
Gundel, P.; Schubert, M.C.; Kwapil, W.; Schön, J.; Reiche, M.; Savin, H.; Yli-Koski, M.; Sans, J.A.; Martinez-Criado, G.; Warta, W.; Weber, E.R.
Konferenzbeitrag
2009Physical mechanisms of breakdown in multicrystalline silicon solar cells
Kwapil, W.; Kasemann, M.; Gundel, P.; Schubert, M.C.; Warta, W.; Breitenstein, O.; Bauer, J.; Lotnyk, A.; Wagner, J.-M.; Bronsveld, P.C.P.; Coletti, G.
Konferenzbeitrag
2008Determination of minority carrier diffusion lengths in silicon solar cells from photoluminescence images
Giesecke, J.; Kasemann, M.; Schubert, M.C.; Michl, B.; The, M.; Warta, W.; Würfel, P.
Konferenzbeitrag
2008Progress in silicon solar cell characterization with infrared imaging methods
Kasemann, M.; Kwapil, W.; Walter, B.; Giesecke, J.; Michl, B.; The, M.; Wagner, J.-M.; Bauer, J.; Schütt, A.; Carstensen, J.; Kampwerth, H.; Gundel, P.; Schubert, M.C.; Bardos, R.A.; Föll, H.; Nagel, H.; Würfel, P.; Trupke, T.; Breitenstein, O.; Warta, W.; Glunz, S.W.
Konferenzbeitrag
2008Spatially resolved luminescence spectroscopy on multicrystalline silicon
Schubert, M.C.; Gundel, P.; The, M.; Warta, W.; Romero, M.J.; Ostapenko, S.; Arguirov, T.
Konferenzbeitrag
2008Spatially resolved silicon solar cell characterization using infrared imaging methods
Kasemann, M.; Kwapil, M.; Schubert, M.C.; Habenicht, H.; Walter, B.; The, M.; Kontermann, S.; Rein, S.; Breitenstein, O.; Bauer, J.; Lotnyk, A.; Michl, B.; Nagel, H.; Schütt, A.; Carstensen, J.; Föll, H.; Trupke, T.; Augarten, Y.; Kampwerth, H.; Bardos, R.A.; Pingel, S.; Berghold, J.; Warta, W.; Glunz, S.W.
Konferenzbeitrag
2007Advances in infrared imaging methods for silicon material characterization
Schubert, M.C.; The, M.; Gundel, P.; Kasemann, M.; Pingel, S.; Warta, W.
Konferenzbeitrag
2007Quantitative lifetime measurements with photoluminescence imaging
The, M.; Schubert, M.C.; Warta, W.
Konferenzbeitrag
2007Systematic analysis of trapping as a tool to predict diffusion length in multicrystalline silicon cells
Gundel, P.; Schubert, M.C.; Warta, W.
Konferenzbeitrag
2006Spatially resolved trapping detection and correlation with material quality in multicrystalline silicon
Schubert, M.C.; Riepe, S.; Warta, W.
Konferenzbeitrag
2005Injection dependent carrier density imaging measurements including correction for trapping effects
Schubert, M.C.; Isenberg, J.; Rein, S.; Bermejo, S.; Glunz, S.W.; Warta, W.
Konferenzbeitrag
2005Recent developments in carrier lifetime imaging
Warta, W.; Schubert, M.C.; Isenberg, J.; Bermejo, S.; Riepe, S.; Diez, S.
Vortrag
2005Sheet resistance imaging (SRI) - A contactless and spatially resolved method for the determination of doping inhomogeneities
Isenberg, J.; Schubert, M.C.; Biro, D.; Froitzheim, A.; Warta, W.
Konferenzbeitrag
2004Spatially resolved IR-measurement techniques for solar cells
Isenberg, J.; Riepe, S.; Schubert, M.C.; Glunz, S.W.; Warta, W.
Konferenzbeitrag
2004Temperature dependent carrier lifetime images
Schubert, M.C.; Isenberg, J.; Rein, S.; Warta, W.
Konferenzbeitrag