Ghosh, Debanjana ; Chattopadhyay, Nitin (2011) Characterization of the excimers of poly(N-vinylcarbazole) using TRANES Journal of Luminescence, 131 (10). pp. 2207-2211. ISSN 0022-2313
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.jlumin.2011.05.043
Abstract
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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Poly(N-vinylcarbazole); PNVC; Excimer; TRES; TRANES; Fluorescence |
| ID Code: | 67486 |
| Deposited On: | 31 Oct 2011 05:17 |
| Last Modified: | 31 Oct 2011 05:17 |
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