Journal
MATERIALS CHEMISTRY FRONTIERS
Volume 2, Issue 4, Pages 700-703Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8qm00004b
Keywords
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Funding
- National Natural Science Foundation of China [U1401244, 21374025, 21372053, 21572041, 51503050, 51773045, 21772030, 21704021, 51771001, 21471001, 21575001]
- National Key Research and Development Program of China [2017YFA0206600]
- Youth Association for Promoting Innovation (CAS)
- Natural Science Foundation of Anhui Province [1508085MB3]
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A hexacyclic carbon-oxygen-bridged ladder-type unit, CO(i)6, was developed. Three nonfullerene acceptors (CO(i)6IC, CO(i)6FIC and CO(i)6DFIC) based on CO(i)6 were prepared. They present low optical bandgaps of 1.31-1.37 eV and strong absorbance in the near-infrared region. A 9.12% power conversion efficiency was achieved from the solar cells based on CO(i)6FIC and a wide-bandgap copolymer donor (FTAZ).
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