National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Role of Urbach Energy in Photovoltaics
Vlk, Aleš ; Abelová, Lucie ; Hájková, Zdeňka ; Remeš, Zdeněk ; Holovský, Jakub ; Ledinský, Martin
Organic-inorganic halide perovskites provide new opportunities for improvement of optoelectronic device performance, especially the efficiency of solar cells. To evaluate the quality of a new material many parameters has to be taken into account. Here, we discuss one of the often overlooked semiconductor’s parameters, Urbach energy, which is an easily accessible measure of material disorder. Moreover, we present its importance on the example of organic-inorganic halide perovskites.

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