Porphyrin-Containing Polymer as a Superior Blue Light-Absorbing Additive To Afford High- Jsc Ternary Solar Cells

Integrating an additional component featuring complementary light absorption into binary polymer solar cells is a superior tactic to ameliorate solar cell efficiency and stability. An appropriate additive not only extends the absorption range but may also facilitate charge separation and transport p...

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Published inACS applied materials & interfaces Vol. 11; no. 1; pp. 1156 - 1162
Main Authors Li, Chia-Hua, Chang, Chia-Chih, Hsiao, Yu-Hsuan, Peng, Shih-Hao, Su, Yi-Jia, Heo, Soo-Won, Tajima, Keisuke, Tsai, Ming-Chi, Lin, Ching-Yao, Hsu, Chain-Shu
Format Journal Article
LanguageEnglish
Published 09.01.2019
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Summary:Integrating an additional component featuring complementary light absorption into binary polymer solar cells is a superior tactic to ameliorate solar cell efficiency and stability. An appropriate additive not only extends the absorption range but may also facilitate charge separation and transport processes. In this work, we elucidate the effects of incorporating a porphyrin-containing conjugated polymer (PPor-1), which displays absorption in 350-500 nm, into binary PTB7-Th:4TIC and PTB7-Th:ITIC blends, affording devices with an average power conversion efficiency approaching 9%. We successfully demonstrate that PPor-1 can be incorporated as an additive to impart improved Jsc (up to 19.1 mA cm-2).
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ISSN:1944-8252
DOI:10.1021/acsami.8b19060