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Alkyl Side-Chain Engineering in Wide-Bandgap Copolymers Leading to Power Conversion Efficiencies over 10%
- Authors
- Liu, Tao; Pan, Xuexue; Meng, Xiangyi; Liu, Yu; Wei, Donghui; Ma, Wei; Huo, Lijun; Sun, Xiaobo; Lee, Tack Ho; Huang, Minjuan; Choi, Hyosung; Kim, Jin Young; Choy, Wallace C. H.; Sun, Yanming
- Issue Date
- Feb-2017
- Publisher
- WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
- Keywords
- alkyl side chain; efficiency; organic solar cells; wide-bandgap copolymers
- Citation
- Advanced Materials, v.29, no.6
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Advanced Materials
- Volume
- 29
- Number
- 6
- ISSN
- 0935-9648
1521-4095
- Abstract
- A series of wide-bandgap (WBG) copolymers with different alkyl side chains are synthesized. Among them, copolymer PBT1-EH with moderatly bulky side chains on the acceptor unit shows the best photovoltaic performance with power conversion efficiency over 10%. The results suggest that the alkyl side-chain engineering is an effective strategy to further tuning the optoelectronic properties of WBG copolymers.
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Related Researcher
- Choi, Hyosung
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF CHEMISTRY)