Device Performance of APFO-3/PCBM Solar Cells with Controlled Morphology.

Björström Svanström, Cecilia M; Rysz, Jakub; Bernasik, Andrzej; Budkowski, Andrzej; Zhang, Fengling; Inganäs, Olle; Andersson, Mats R; Magnusson, Kjell O et al. · Adv Mater · 2009

basic_science · Level V

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Abstract

Polymer/fullerene solar cells with three different device structures: A) diffuse bilayer, B) spontaneously formed multilayer, and C) vertically homogenous thin films, are fabricated. The photocurrent/voltage performance is compared and it is found that the self-stratified structure (B) yields the highest energy conversion efficiency.