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Characterization of the Excimers of Poly(N-Vinylcarbazole) Using TRANES
Journal of Luminescence (2011)
  • Debanjana Ghosh, Jadavpur University
  • Nitin Chattopadhyay, Jadavpur University
Time-resolved emission spectra (TRES) and time-resolved area normalized emission spectra (TRANES) are exploited to characterize the excimers of poly(N-vinylcarbazole) (PNVC) in toluene and water. The time-resolved study together with the steady state measurements, decipher the fluorescence of the system containing pendant carbazole moieties in the polymer backbone unambiguously. Isoemissive point in the TRANES establishes that there are only two excimers of PNVC, the partially overlapped excimer emitting at high energy and the sandwich type excimer emitting at lower energy, and they are formed exclusively in the photoexcited state. The study substantiates an equilibrium between the two excimers.
  • Poly(N-vinylcarbazole),
  • PNVC,
  • Excimer,
  • TRES,
  • Fluorescence
Publication Date
May 24, 2011
Citation Information
Debanjana Ghosh and Nitin Chattopadhyay. "Characterization of the Excimers of Poly(N-Vinylcarbazole) Using TRANES" Journal of Luminescence Vol. 131 Iss. 10 (2011) p. 2207 - 2211
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