Photophysical property trends for a homologous series of bis-ethynyl-substituted benzochalcogendiazoles

Benjamin A. Coombs, Benjamin D. Lindner, Robert M. Edkins, Frank Rominger, Andrew Beeby, Uwe H F Bunz

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

We report on the preparation and photophysical property study of three homologous benzoheteroarene-ethynylene systems. Significant differences in the series' optical properties indicate a change in the HOMO-LUMO energy as the chalcogen is altered (O, S and Se) which we have examined using TD-DFT methods and shown to be attributable to modification of the HOMO energy.

Original languageEnglish
Pages (from-to)550-553
Number of pages4
JournalNew Journal of Chemistry
Volume36
Issue number3
DOIs
Publication statusPublished - 1 Mar 2012

Keywords

  • benzoheteroarene–ethynylene
  • HOMO-LUMO energy
  • HOMO-energy

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