Wolfram Kwapil
Wolfram Kwapil
Wissenschaftlicher Mitarbeiter, Freiburger Materialforschungszentrum, Albert-Ludwigs-Universität Freiburg
Verified email at ise.fraunhofer.de
Title
Cited by
Cited by
Year
Understanding junction breakdown in multicrystalline solar cells
O Breitenstein, J Bauer, K Bothe, W Kwapil, D Lausch, U Rau, J Schmidt, ...
Journal of Applied Physics 109 (7), 5, 2011
1332011
Luminescence imaging for the detection of shunts on silicon solar cells
M Kasemann, D Grote, B Walter, W Kwapil, T Trupke, Y Augarten, ...
Progress in Photovoltaics: Research and Applications 16 (4), 297-305, 2008
1262008
Impact of the firing temperature profile on light induced degradation of multicrystalline silicon
R Eberle, W Kwapil, F Schindler, MC Schubert, SW Glunz
physica status solidi (RRL)–Rapid Research Letters 10 (12), 861-865, 2016
862016
Can luminescence imaging replace lock-in thermography on solar cells?
O Breitenstein, J Bauer, K Bothe, D Hinken, J Müller, W Kwapil, ...
IEEE Journal of Photovoltaics 1 (2), 159-167, 2011
752011
Observation of metal precipitates at prebreakdown sites in multicrystalline silicon solar cells
W Kwapil, P Gundel, MC Schubert, FD Heinz, W Warta, ER Weber, ...
Applied Physics Letters 95 (23), 232113, 2009
672009
Understanding the light‐induced degradation at elevated temperatures: Similarities between multicrystalline and floatzone p‐type silicon
T Niewelt, F Schindler, W Kwapil, R Eberle, J Schön, MC Schubert
Progress in Photovoltaics: Research and Applications 26 (8), 533-542, 2018
652018
Diode breakdown related to recombination active defects in block-cast multicrystalline silicon solar cells
W Kwapil, M Kasemann, P Gundel, MC Schubert, W Warta, P Bronsveld, ...
Journal of Applied Physics 106 (6), 063530, 2009
652009
Micro‐photoluminescence spectroscopy on metal precipitates in silicon
P Gundel, MC Schubert, W Kwapil, J Schön, M Reiche, H Savin, ...
physica status solidi (RRL)–Rapid Research Letters 3 (7‐8), 230-232, 2009
622009
Light-induced activation and deactivation of bulk defects in boron-doped float-zone silicon
T Niewelt, M Selinger, NE Grant, W Kwapil, JD Murphy, MC Schubert
Journal of Applied Physics 121 (18), 185702, 2017
612017
Research on efficiency limiting defects and defect engineering in silicon solar cells‐results of the German research cluster SolarFocus
S Riepe, IE Reis, W Kwapil, MA Falkenberg, J Schön, H Behnken, J Bauer, ...
physica status solidi c 8 (3), 733-738, 2011
612011
Impact of impurities from crucible and coating on mc-silicon quality—The example of iron and cobalt
MC Schubert, J Schön, F Schindler, W Kwapil, A Abdollahinia, B Michl, ...
IEEE Journal of Photovoltaics 3 (4), 1250-1258, 2013
592013
Kinetics of carrier-induced degradation at elevated temperature in multicrystalline silicon solar cells
W Kwapil, T Niewelt, MC Schubert
Solar Energy Materials and Solar Cells 173, 80-84, 2017
512017
Modeling majority carrier mobility in compensated crystalline silicon for solar cells
F Schindler, MC Schubert, A Kimmerle, J Broisch, S Rein, W Kwapil, ...
Solar Energy Materials and Solar Cells 106, 31-36, 2012
492012
Light-induced degradation in compensated p- and n-type Czochralski silicon wafers
J Geilker, W Kwapil, S Rein
Journal of applied physics 109 (5), 053718, 2011
472011
Solar cell efficiency losses due to impurities from the crucible in multicrystalline silicon
F Schindler, B Michl, J Schön, W Kwapil, W Warta, MC Schubert
IEEE Journal of Photovoltaics 4 (1), 122-129, 2013
372013
High throughput via-metallization technique for multi-crystalline metal wrap through (MWT) silicon solar cells exceeding 16% efficiency
F Clement, M Menkoe, D Erath, T Kubera, R Hoenig, W Kwapil, W Wolke, ...
Solar energy materials and solar cells 94 (1), 51-56, 2010
362010
High net doping concentration responsible for critical diode breakdown behavior of upgraded metallurgical grade multicrystalline silicon solar cells
W Kwapil, M Wagner, MC Schubert, W Warta
Journal of Applied Physics 108 (2), 023708, 2010
312010
Potential gain in multicrystalline silicon solar cell efficiency by n-type doping
F Schindler, B Michl, A Kleiber, H Steinkemper, J Schön, W Kwapil, ...
IEEE Journal of Photovoltaics 5 (2), 499-506, 2014
302014
Spatially resolved analysis of light induced degradation of multicrystalline PERC solar cells
M Selinger, W Kwapil, F Schindler, K Krauß, F Fertig, B Michl, W Warta, ...
Energy Procedia 92, 867-872, 2016
282016
Electron microscope verification of prebreakdown-inducing α-FeSi2 needles in multicrystalline silicon solar cells
A Hähnel, J Bauer, H Blumtritt, O Breitenstein, D Lausch, W Kwapil
Journal of Applied Physics 113 (4), 044505, 2013
262013
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