Sexithiophenes as efficient luminescence quenchers of quantum dots

Christopher R. Mason, Yang Li, Paul O'Brien, Neil J. Findlay, Peter Skabara

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Sexithiophenes 1a and 1b, in which a 4-(dimethylamino) phenyl unit is incorporated as an end-capping group, were synthesised and characterised by cyclic voltammetry, absorption spectroscopy and UV-vis spectroelectrochemistry. Additionally, their ability to function as effective luminescence quenchers for quantum dot emission was studied by photoluminescence spectroscopy and compared with the performance of alkyl end-capped sexithiophenes 2a and 2b.

Original languageEnglish
Pages (from-to)1722-1731
Number of pages10
JournalBeilstein Journal of Organic Chemistry
Volume7
DOIs
Publication statusPublished - 22 Dec 2011

Keywords

  • electrochemistry
  • luminescence quenching
  • quantum dots
  • sexithiophenes
  • synthesis
  • thiopene
  • thin-film transistors
  • organic solar-cells
  • electron transfer
  • composites
  • oligothiopenes
  • semiconductors
  • electroluminescence
  • derivatives
  • TIC - Bionanotechnology

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