Journal
ADVANCED MATERIALS
Volume 29, Issue 6, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201604251
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Funding
- National Natural Science Foundation of China (NSFC) [51273203, 51261160496, 51473009, 21504066, 21534003, 21303167]
- International Science AMP
- Technology Cooperation Program of China [2014DFA52820]
- Ministry of Science and Technology [2016YFA0200700]
- RGC-NSFC from the Research Grants Council of Hong Kong Special Administrative Region, China [N_HKU709/12]
- National Research Foundation of Korea [NRF-2015R1C1A1A02036599]
- Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]
- National Research Foundation of Korea [2015R1C1A1A02036599] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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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