Luminescence efficiency and time dependence in a high electron affinity conjugated polymer

I. D W Samuel, Gary Rumbles, C. J. Collison, B. Crystall, S. C. Moratti, A. B. Holmes

Research output: Contribution to journal › Article

37 Citations (Scopus)

Abstract

We report measurements of the efficiency and time dependence of photoluminescence in a high electron affinity cyano-substituted derivative of poly (p-phenylenevinylene). In solution the photoluminescence quantum yield is 0.52 ± 0.05, and the luminescence lifetime is 0.9 ± 0.1 ns. In solid films the luminescence quantum yield is 0.35 ± 0.03 and the luminescence lifetime, of 5.6 ± 0.2 ns, is much longer. These results strongly suggest that the emission from the film is from an inter-chain excitation, and that inter-molecular interactions are an important factor to consider in the design of highly luminescent conjugated polymers.

Original languageEnglish
Pages (from-to)15-18
Number of pages4
JournalSynthetic Metals
Volume76
Issue number1-3
DOIs
Publication statusPublished - Jan 1996

Fingerprint

Electron affinity
Conjugated polymers
electron affinity
time dependence
Luminescence
Quantum yield
luminescence
Photoluminescence
polymers
photoluminescence
life (durability)
Molecular interactions
molecular interactions
Derivatives
excitation

Keywords

  • Electron affinity
  • Luminescence
  • Poly(p-phenylenevinylene)
  • Time dependence

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Samuel, I. D. W., Rumbles, G., Collison, C. J., Crystall, B., Moratti, S. C., & Holmes, A. B. (1996). Luminescence efficiency and time dependence in a high electron affinity conjugated polymer. Synthetic Metals, 76(1-3), 15-18. https://doi.org/10.1016/0379-6779(95)03409-D

Luminescence efficiency and time dependence in a high electron affinity conjugated polymer. / Samuel, I. D W; Rumbles, Gary; Collison, C. J.; Crystall, B.; Moratti, S. C.; Holmes, A. B.

In: Synthetic Metals, Vol. 76, No. 1-3, 01.1996, p. 15-18.

Research output: Contribution to journal › Article

Samuel, IDW, Rumbles, G, Collison, CJ, Crystall, B, Moratti, SC & Holmes, AB 1996, 'Luminescence efficiency and time dependence in a high electron affinity conjugated polymer', Synthetic Metals, vol. 76, no. 1-3, pp. 15-18. https://doi.org/10.1016/0379-6779(95)03409-D
Samuel IDW, Rumbles G, Collison CJ, Crystall B, Moratti SC, Holmes AB. Luminescence efficiency and time dependence in a high electron affinity conjugated polymer. Synthetic Metals. 1996 Jan;76(1-3):15-18. https://doi.org/10.1016/0379-6779(95)03409-D
Samuel, I. D W ; Rumbles, Gary ; Collison, C. J. ; Crystall, B. ; Moratti, S. C. ; Holmes, A. B. / Luminescence efficiency and time dependence in a high electron affinity conjugated polymer. In: Synthetic Metals. 1996 ; Vol. 76, No. 1-3. pp. 15-18.
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N2 - We report measurements of the efficiency and time dependence of photoluminescence in a high electron affinity cyano-substituted derivative of poly (p-phenylenevinylene). In solution the photoluminescence quantum yield is 0.52 ± 0.05, and the luminescence lifetime is 0.9 ± 0.1 ns. In solid films the luminescence quantum yield is 0.35 ± 0.03 and the luminescence lifetime, of 5.6 ± 0.2 ns, is much longer. These results strongly suggest that the emission from the film is from an inter-chain excitation, and that inter-molecular interactions are an important factor to consider in the design of highly luminescent conjugated polymers.

AB - We report measurements of the efficiency and time dependence of photoluminescence in a high electron affinity cyano-substituted derivative of poly (p-phenylenevinylene). In solution the photoluminescence quantum yield is 0.52 ± 0.05, and the luminescence lifetime is 0.9 ± 0.1 ns. In solid films the luminescence quantum yield is 0.35 ± 0.03 and the luminescence lifetime, of 5.6 ± 0.2 ns, is much longer. These results strongly suggest that the emission from the film is from an inter-chain excitation, and that inter-molecular interactions are an important factor to consider in the design of highly luminescent conjugated polymers.

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