4.6 Article

A ternary conjugated D-A copolymer yields over 9.0% efficiency in organic solar cells

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 5, Issue 24, Pages 12015-12021

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ta03316h

Keywords

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Funding

  1. National Natural Science Foundation of China [U1605241, 61325026, 51561165011]
  2. Key Research Program of Frontier Sciences, CAS [QYZDB-SSW-SLH032]
  3. CAS/SAFEA International Partnership Program for Creative Research Teams
  4. Strategic Priority Research Program of the Chinese Academy of Sciences [XDB20000000]
  5. Office of Science, Office of Basic Energy Sciences of the U.S. Department of Energy [DE-AC02-05CH11231]

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Ternary conjugated D-A copolymers are designed and synthesized by using indenothiophene and benzodithiophene as the weak and the strong donors, respectively, and fluorinated benzodithiazole as the strong acceptor. The best performance copolymer delivers a high PCE of 9.08%, which is a record efficiency for ternary conjugated D-A copolymers reported to date.

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