Periasamy, N. (1984) Nanosecond laser flash photolysis of acridine in organic solvents Journal of Chemical Sciences, 93 (8). pp. 1361-1375. ISSN 0253-4134
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Official URL: http://www.ias.ac.in/j_archive/chemsci/93/vol93con...
Related URL: http://dx.doi.org/10.1007/BF02869944
Abstract
A laser flash photolysis set-up is described for nanosecond time resolved study of transient species. The system described uses 30 nsec, 355-nmuv laser pulse as the photolysing source. Laser flash photolysis of acridine in various organic solvents (polar, non-polar and hydroxylic) has been carried out. The quantum yields of intersystem crossing and C-radicals (in hydroxylic solvents) have been calculated from the transient absorption measurements. The quenching of the triplet state by chloranil is efficient in all the solvents and free radical ions are formed as products only in the polar solvents. Biphotonic ionisation of acridine occurs at high laser intensities and is more efficient in hydroxylic solvents compared to benzene or acetonitrile.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Indian Academy of Sciences. |
| Keywords: | Laser Chemistry; Acridine; Laser Flash Photolysis; Intersystem Crossing; Biphotonic Ionisation |
| ID Code: | 81712 |
| Deposited On: | 07 Feb 2012 11:03 |
| Last Modified: | 03 Apr 2012 05:44 |
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