期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 7, 期 43, 页码 13396-13401出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9tc04680a
关键词
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资金
- National Natural Science Foundation of China [51703046, 21572203, 21722404]
- National Key Research and Development Program [2017YFB0307700]
- Zhejiang Natural Science Fund for Distinguished Young Scholars [LR17E030001]
Here we designed and synthesized a new small molecule donor DRC4TB with an alkylthiothienyl-substituted benzodithiophene as the core and 3-butyl rhodanine as the terminal group, which showed an optical bandgap of 1.87 eV. DRC4TB was compatible with both a fullerene acceptor (PC71BM) and an unfused-ring nonfullerene acceptor (HF-PCIC). The optimized DRC4TB:PC71BM and DRC4TB:HF-PCIC solar cells delivered comparable power conversion efficiencies (PCEs) of 8.53% and 8.68%, respectively.
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