Sahu, Kalyanasis ; Roy, Durba ; Mondal, Sudip Kumar ; Halder, Arnab ; Bhattacharyya, Kankan (2004) Study of solvation dynamics in an ormosil: CTAB in a sol-gel matrix Journal of Physical Chemistry B, 108 (32). pp. 11971-11975. ISSN 1089-5647
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp049152x?prev...
Related URL: http://dx.doi.org/10.1021/jp049152x
Abstract
Solvation dynamics of coumarin 480 (C480) is studied in a nanoporous sol-gel matrix in the presence of cetyltrimethylammonium bromide (CTAB). In the presence of CTAB, the solvation dynamics is described by two components of 120 ps (25%) and 7200 ps (75%) with a total dynamic Stokes shift of 1200 cm-1. This is substantially slower than the solvation dynamics in the sol-gel matrix and in CTAB micelles. The anisotropy decay indicates hindered rotation of the probe (C480) inside the sol-gel matrix in the presence of CTAB.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 5343 |
| Deposited On: | 18 Oct 2010 08:51 |
| Last Modified: | 23 Jan 2011 04:52 |
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