Bhasikuttan, A. C. ; Shastri, L. V. ; Sapre, A. V. ; Mittal, J. P. (1998) On the exciplex formation in the energy transfer from aromatic hydrocarbons to crystal violet Journal of Photochemistry and Photobiology A: Chemistry, 112 (2-3). pp. 179-185. ISSN 1010-6030
Full text not available from this repository.
Official URL: http://linkinghub.elsevier.com/retrieve/pii/S10106...
Related URL: http://dx.doi.org/10.1016/S1010-6030(97)00263-3
Abstract
The interaction of a triphenyl methane (TPM) dye: crystal violet (CV) with the triplet state (3S∗ of the aromatic molecules biphenyl, p-terphenyl or anthracene was studied by pulse radiolytic kinetic spectrophotometry. In each case, studies of time-resolved spectra and kinetics showed that an exciplex between sensitiser triplet and ground state of CV is formed as an intermediate before the former dissociates to give triplet state of CV, [3S*+CV kf⇋kb3(S..CV)*→k3S+3CV*]. A detailed kinetic analysis has been carried out to evaluate various kinetic parameters. The equilibrium constant, K (kf/kb), was found to be 1.8 × 104 dm3 mol-1, 1.53 × 104 dm3 mol-1 and 1.32 × 104 dm3 mol-1 in the case of biphenyl, p-terphenyl and anthracene sensitiser triplet states, respectively.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Exciplex; Energy Transfer; Crystal Violet; Aromatic Hydrocarbons |
| ID Code: | 25795 |
| Deposited On: | 04 Dec 2010 11:39 |
| Last Modified: | 07 Jun 2011 06:58 |
Repository Staff Only: item control page
