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- W1985448577 startingPage "042302" @default.
- W1985448577 abstract "Bulk heterojunction (BHJ) based on a donor (D) polymer and an acceptor (A) fullerene derivative is a promising organic photovoltaic. Here, we investigated the femtosecond charge dynamics after acceptor excitation in poly[[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b '] dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b] thiophenediyl]] (PTB7)/[6,6]-phenyl C71-butyric acid methyl ester (PC70BM), which is a low-gap (Egap≈1.6 eV) organic photovoltaic. We observed fast conversion from the acceptor exciton (A*) to the donor polaron (D+) within τrise = 0.45 ps. The fast carrier formation is ascribed to the prompt charge transfer of an electron from the D highest occupied molecular orbital (HOMO) to the A HOMO." @default.
- W1985448577 created "2016-06-24" @default.
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- W1985448577 date "2012-04-03" @default.
- W1985448577 modified "2023-10-18" @default.
- W1985448577 title "Fast Carrier Formation from Acceptor Exciton in Low-Gap Organic Photovotalic" @default.
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- W1985448577 doi "https://doi.org/10.1143/apex.5.042302" @default.
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