Kundu, Santi ; Chattopadhyay, Nitin (1997) Excited state proton transfer of β-cyclodextrin encapsulated carbazole in the presence of urea Journal of Molecular Liquids, 71 (1). pp. 49-59. ISSN 0167-7322
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0167-7322(96)00972-5
Abstract
Excited state proton transfer (ESPT) reaction of carbazole (CAZL) in aqueous β-cyclodextrin (βCD), in the presence of urea, has been studied by both steady state as well as time resolved methods. The unstructured anionic emission band from the excited fluorophore and the rate constants for the individual protropic processes reveal that urea expels the probe from the cyclodextrin microenvironment to the bulk aqueous phase. The same has also been established from the quenching study of the same fluorophore by iodide ion.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 67473 |
| Deposited On: | 31 Oct 2011 04:49 |
| Last Modified: | 31 Oct 2011 04:49 |
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