Naik, Prakash D. ; Upadhyaya, Hari P. ; Kumar, Awadhesh ; Sapre, Avinash V. ; Mittal, Jai P. (2003) Photodissociation of carboxylic acids: dynamics of OH formation Journal of Photochemistry and Photobiology C: Photochemistry Reviews, 3 (3). pp. 165-182. ISSN 1389-5567
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S13895...
Related URL: http://dx.doi.org/10.1016/S1389-5567(02)00037-0
Abstract
In this review article, recent studies on the photodissociation dynamics of carboxylic acids carried out in our laboratory are presented. The dynamics are investigated by mapping the energy partitioning in the nascent photoproduct OH using laser-induced fluorescence spectroscopy. To understand the effect of the nature of the C---C bond on the dissociation dynamics, both saturated (acetic) as well as unsaturated (acrylic and propiolic) carboxylic acids are investigated. In all of the carboxylic acids studied, a high percentage of the available energy is partitioned into the product translational state, indicating the presence of an exit barrier in the dissociative potential energy surface. Based on the energy partitioning, the quantum yield and the OH formation rate, the photoexcitation dynamics of carboxylic acids are revealed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Photodissociation Dynamics; Laser-induced Fluorescence; Quantum Yield; Absorption Cross-section; OH Spectroscopy; Nascent State Distribution; Carboxylic Acids |
| ID Code: | 25630 |
| Deposited On: | 04 Dec 2010 12:03 |
| Last Modified: | 07 Jun 2011 06:06 |
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