Journal article

Loss Mechanisms in Thick-Film Low-Bandgap Polymer Solar Cells

Cephas E Small, Sai-Wing Tsang, Song Chen, Sujin Baek, Chad M Amb, Jegadesan Subbiah, John R Reynolds, Franky So

Advanced Energy Materials | WILEY-V C H VERLAG GMBH | Published : 2013

Abstract

Polymer bulk heterojunction solar cells based on low bandgap polymer:fullerene blends are promising for next generation low-cost photovoltaics. While these solution-processed solar cells are compatible with large-scale roll-to-roll processing, active layers used for typical laboratory-scale devices are too thin to ensure high manufacturing yields. Furthermore, due to the limited light absorption and optical interference within the thin active layer, the external quantum efficiencies (EQEs) of bulk heterojunction polymer solar cells are severely limited. In order to produce polymer solar cells with high yields, efficient solar cells with a thick active layer must be demonstrated. In this work..

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University of Melbourne Researchers