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Structured interfaces to enhance light trapping are standard concepts for silicon solar cells. Within this simulation study we investigated the influence of the refractive index of front side coupling structures on top of a crystalline silicon solar cell on the light trapping performance. Simulations were carried out both at cell level and for the complete module stack. The light trapping behavior can only be reliably assessed if the complete system is investigated. It could be shown that the refractive index of the light trapping structure strongly influences the light trapping behavior.
Laura Stevens,Oliver Höhn,Mario Hanser,Nico Tucher,Claas Müller,Stefan Glunz, andBenedikt Bläsi
"Coupling structures for silicon solar cells: Impact of the refractive index", Proc. SPIE 11681, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices X, 116810U (5 March 2021); https://doi.org/10.1117/12.2588836
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Laura Stevens, Oliver Höhn, Mario Hanser, Nico Tucher, Claas Müller, Stefan Glunz, Benedikt Bläsi, "Coupling structures for silicon solar cells: Impact of the refractive index," Proc. SPIE 11681, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices X, 116810U (5 March 2021); https://doi.org/10.1117/12.2588836