Molecular doping enhances photoconductivity in polymer bulk heterojunction solar cells.

Zhang, Yuan; Zhou, Huiqiong; Seifter, Jason; Ying, Lei; Mikhailovsky, Alexander; Heeger, Alan J; Bazan, Guillermo C; Nguyen, Thuc-Quyen · Adv Mater · 2013

basic_science · Level V

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Abstract

Addition of low concentrations (<1:100, dopant:donor) of a fluorinated p-type dopant, F4-TCNQ leads to a considerable enhancement of the photocurrent in PCDTBT:PC70 BM bulk heterojunction solar cells. As a result, the power conversion efficiency increases from 6.41% to 7.94 %.

Medical subject headings