High-Performance, Fullerene-Free Organic Photodiodes Based on a Solution-Processable Indigo.

Kim, Il Ku; Li, Xin; Ullah, Mujeeb; Shaw, Paul E; Wawrzinek, Robert; Namdas, Ebinazar B; Lo, Shih-Chun · Adv Mater · 2015

basic_science · Level V

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Abstract

A solution-processable dibromoindigo with an alkyoxyphenyl solubilizing group is developed and used as a new electron acceptor in organic photodiodes. The solution-processed fullerene-free organic photodiodes show an almost spectrally flat response with a high responsivity (0.4 A W(-1)) and a high detectivity (1 × 10(12) Jones). These values are comparable to silicon-based photodiodes.

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