Issue 16, 2016

Non-fullerene acceptor with low energy loss and high external quantum efficiency: towards high performance polymer solar cells

Abstract

A non-fullerene electron acceptor bearing a fused 10-heterocyclic ring (indacenodithiopheno-indacenodithiophene) with a narrow band gap (∼1.5 eV) was designed and synthesized. It possesses excellent planarity and enhanced effective conjugation length compared to previously reported fused-ring electron acceptors. When this acceptor was paired with PTB7-Th and applied in polymer solar cells, a power conversion efficiency of 6.5% was achieved with a high open circuit voltage of 0.94 V. More significantly, an energy loss as low as 0.59 eV and an external quantum efficiency as high as 63% were obtained simultaneously.

Graphical abstract: Non-fullerene acceptor with low energy loss and high external quantum efficiency: towards high performance polymer solar cells

Supplementary files

Article information

Article type
Paper
Submitted
12 ربيع الثاني 1437
Accepted
08 جمادى الأولى 1437
First published
13 جمادى الأولى 1437

J. Mater. Chem. A, 2016,4, 5890-5897

Non-fullerene acceptor with low energy loss and high external quantum efficiency: towards high performance polymer solar cells

Y. Li, X. Liu, F. Wu, Y. Zhou, Z. Jiang, B. Song, Y. Xia, Z. Zhang, F. Gao, O. Inganäs, Y. Li and L. Liao, J. Mater. Chem. A, 2016, 4, 5890 DOI: 10.1039/C6TA00612D

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