A. Helbig

Internal voltages in GaInP∕GaInAs∕Ge multijunction solar cells determined by electroluminescence measurements

Thomas Kirchartz, Uwe Rau, Martin Hermle et al. · Applied Physics Letters · 2008 · 146 citations

Electrical Engineering, Solid-state Lighting, Engineering +15

Reciprocity between electroluminescence and quantum efficiency used for the characterization of silicon solar cells

Thomas Kirchartz, A. Helbig, W. Reetz et al. · Progress in Photovoltaics Research and Applications · 2009 · 103 citations

Engineering, Electroluminescence Emission, Optoelectronic Devices +20

Quantitative electroluminescence analysis of resistive losses in Cu(In, Ga)Se2 thin-film modules

A. Helbig, Thomas Kirchartz, Raymund Schaeffler et al. · Solar Energy Materials and Solar Cells · 2010 · 86 citations

Materials Science, Ii-vi Semiconductor, Engineering +8

Note on the interpretation of electroluminescence images using their spectral information

Thomas Kirchartz, A. Helbig, Uwe Rau · Solar Energy Materials and Solar Cells · 2008 · 45 citations

Photoluminescence, Electroluminescence Images, Bioluminescence +7

Fully Ion Implanted and Coactivated Industrial n-Type Cells With 20.5% Efficiency

T. S. Böscke, D. Kania, C. Schöllhorn et al. · IEEE Journal of Photovoltaics · 2013 · 33 citations

Materials Science, Electrical Engineering, Implanted Boron Emitter +10