Isomerization enabling near-infrared electron acceptors

Jiasi Luo; Yang Wang; Bin Liu; Yujie Zhang; Yumin Tang; Peng Chen; Qiaogan Liao; Xugang Guo; Ziang Wu; Han Young Woo

doi:10.1039/c9ra07911d

Isomerization enabling near-infrared electron acceptors

Jiasi Luo, Yang Wang, Bin Liu, Yujie Zhang, Yumin Tang, Peng Chen, Qiaogan Liao, Xugang Guo, Ziang Wu, Han Young Woo

Department of Chemistry

Research output: Contribution to journal › Article

Abstract

An isomerization method was utilized to yield a novel near-infrared nonfullerene acceptor DTA-IC-M. By simply changing the linking fashion between the anthracene and neighboring thiophenes, a remarkable redshift (∼170 nm) of absorption was observed from DTA-IC-S to its isomer DTA-IC-M which shows a maximum absorption peak over 800 nm with a narrow bandgap of 1.35 eV. Due to the enhanced photo-to-current response in the near-infrared region, an improved short-circuit current of 12.96 mA cm^-2 was achieved for the DTA-IC-M based OSCs.

Original language	English
Pages (from-to)	37287-37291
Number of pages	5
Journal	RSC Advances
Volume	9
Issue number	64
DOIs	https://doi.org/10.1039/c9ra07911d
Publication status	Published - 2019 Jan 1

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ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

Cite this

Luo, J., Wang, Y., Liu, B., Zhang, Y., Tang, Y., Chen, P., Liao, Q., Guo, X., Wu, Z., & Woo, H. Y. (2019). Isomerization enabling near-infrared electron acceptors. RSC Advances, 9(64), 37287-37291. https://doi.org/10.1039/c9ra07911d

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AU - Guo, Xugang

AU - Wu, Ziang

AU - Woo, Han Young

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10.1039/c9ra07911d