Simplified tandem polymer solar cells with an ideal self-organized recombination layer.

Kang, Hongkyu; Kee, Seyoung; Yu, Kilho; Lee, Jinho; Kim, Geunjin; Kim, Junghwan; Kim, Jae-Ryoung; Kong, Jaemin et al. · Adv Mater · 2015

basic_science · Level V

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Abstract

A new tandem architecture for printable photovoltaics using a versatile organic nanocomposite containing photoactive and interfacial materials is demonstrated. The nanocomposite forms an ideal self-organized recombination layer via a spontaneous vertical phase separation, which yields a simplified tandem structure fabricated with only four component layers and a high tandem efficiency of 10.8%.