M. Amdemeskel, B. Iandolo, R. S. Davidsen, Ole Hansen, G. Benatto, Nicholas Riedel, P. Poulsen, Sune Thorsteinsson, A. Thorseth, C. Dam-Hansen
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Abstract
Angle resolved optical spectroscopy of photovoltaic (PV) samples gives crucial information on PV panels under realistic working conditions. Here, we introduce measurements of angle resolved light absorption by PV cells, performed indoors using a collimated high radiance broadband light source. Our indoor method offers a significant simplification as compared to measurements by solar trackers. As a proof-of-concept demonstration, we show characterization of black silicon solar cells. The experimental results showed stable and reliable optical responses that makes our setup suitable for indoor, angle resolved characterization of solar cells.
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