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Electrochemical luminescence modulation in a Eu(iii) complex-modified TiO electrode

Journal of Materials Chemistry C, ISSN: 2050-7526, Vol: 3, Issue: 27, Page: 7135-7142
2015
  • 30
    Citations
  • 0
    Usage
  • 16
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    30
    • Citation Indexes
      30
  • Captures
    16

Article Description

Electrochemical modulation of red luminescence from a europium(iii) complex has been demonstrated. In order to elucidate the mechanism of luminescence modulation, its cyclic voltammogram, absorption spectra, emission spectra, emission lifetime, and emission quantum yield were measured. From these measurements, the modulation of emission was found to be achieved through an electrochemical reaction of TiO, which is facilitated by electron transfer between the europium(iii) complex and TiO. Subsequent immobilization of the europium(iii) complex on a TiO electrode resulted in an on-off emission contrast of 74:1, with the response time and repetition stability of the emission switching being considerably improved.

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