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

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)37287-37291
Number of pages5
JournalRSC Advances
Volume9
Issue number64
DOIs
Publication statusPublished - 2019 Jan 1

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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    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