Prasad, S. D. ; Doraiswamy, L. K. (1983) Statistical rates for reactions on heterogeneous surfaces: the influence of non-ideal collisions Chemical Physics Letters, 99 (2). pp. 129-134. ISSN 0009-2614
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/000926...
Related URL: http://dx.doi.org/10.1016/0009-2614(83)80544-2
Abstract
Using the random patch model, kinetic expressions are derived for the pressure dependence of first- and second-order surface reactions. Collisions beteen gas-phase and adsorbed molecules which affect the desorption probability are taken into account. For first-and second-order reactions a representation for the rates is given in terms of incomplete gamma functions for three distributions. These collisional effects cause the surface rates to rise steeply in a narrow range of pressure, due to the exponential dependence of the local isotherm on pressure.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 22812 |
| Deposited On: | 24 Nov 2010 08:30 |
| Last Modified: | 31 May 2011 06:09 |
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