Over 7% photovoltaic efficiency of a semicrystalline donor-acceptor polymer synthesized via direct arylation polymerization

Over 7% photovoltaic efficiency of a semicrystalline donor-acceptor polymer synthesized via direct arylation polymerization

Direct arylation polymerization enables “greener” synthesis of a high-performance semicrystalline π-conjugated polymer, poly[(2,5-bis(2-hexyldecyloxy)phenylene)-alt-(5,6-difluoro-4,7-di(thiophene-2-yl)benzo[c][1,2,5]thiadiazole) (PPDT2FBT). The resulting polymers show a hole mobility of 4.7 × 10−3 c...

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Bibliographic Details
Main Authors: Wang, Kai, Chen, Hui, Wei, Xin, Bohra, Hassan, He, Feng, Wang, Mingfeng
Other Authors: School of Chemical and Biomedical Engineering
Format: Article
Language:English
Published: 2020
Subjects:
Engineering::Chemical engineering
Direct Arylation
Polymerization
Online Access:https://hdl.handle.net/10356/141718
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Institution: Nanyang Technological University
Language: English
Description
Summary:Direct arylation polymerization enables “greener” synthesis of a high-performance semicrystalline π-conjugated polymer, poly[(2,5-bis(2-hexyldecyloxy)phenylene)-alt-(5,6-difluoro-4,7-di(thiophene-2-yl)benzo[c][1,2,5]thiadiazole) (PPDT2FBT). The resulting polymers show a hole mobility of 4.7 × 10−3 cm2 V−1 s−1 in bottom-gate/top-contact field effect transistors, and a power conversion efficiency over 7% in organic bulk-heterojunction solar cells.

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