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Bay-annulated indigo derivatives based on a core of spiro[fluorene-9,9′-xanthene]: Synthesis, photophysical, and electrochemical properties

  • Bao Yi Ren
  • , Qin Xu
  • , Matthew Kolaczkowski
  • , Chang Liang Sun
  • , Chang Jin Ou
  • , Ya Guang Sun
  • , Ling Hai Xie
  • , Wei Huang
  • Shenyang Institute of Chemical Technology
  • Nanjing University of Posts and Telecommunications
  • University of California at Berkeley

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Two positional isomers based on a spiro[fluorene-9,9′-xanthene] (SFX) core were synthesized by selectively appending bay-annulated indigo (BAI) units to the fluorene moiety or the xanthene moiety of SFX, respectively. Investigation of photophysical and electrochemical properties revealed that the two compounds were endowed with broad absorption, low LUMO level, and weak aggregation characteristics. The rational combination of planar BAI units with a three-dimensional SFX core makes them attractive n-type candidates for eco-friendly and sustainable organoelectronic devices.

Original languageEnglish
Pages (from-to)25-27
Number of pages3
JournalDyes and Pigments
Volume160
DOIs
StatePublished - Jan 2019
Externally publishedYes

Keywords

  • Bay-annulated indigo
  • Electrochemical properties
  • Optical properties
  • Synthesis
  • spiro[fluorene-9,9′-xanthene]

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