Amorebieta, V. T. and Colussi, A. J. (1982) Direct evidence of inefficient vibrational energy transfer in gas-surface collisions. Journal of Physical Chemistry, 86 (16). pp. 3058-3060. ISSN 0022-3654. doi:10.1021/j100213a002. https://resolver.caltech.edu/CaltechAUTHORS:20150623-154815098
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Abstract
Vibrational energy equilibration between n-octane and hot seasoned silica surfaces at T, has been studied at low pressures (≤10^-4) torr) by modulated beam mass spectrometry in the range 350 ≤ T_S ≤ 800 K. The sensitive temperature dependence of the dissociative ionization of n-octane at 15 eV was used to monitor the temperatures attained by the gas after undergoing a few nonreactive collisions with the surface. In this system, the low-lying vibrational levels of n-octane, whose relative populations account for the mass spectral changes, never reach T_S in a single collision: the vibrational energy accommodation coefficient has a value of 0.66 at 350 K and decreases with temperature.
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Additional Information: | © 1982 American Chemical Society. (Received March 29, 1982; In Final Form: June 4, 1982) Generous support from Comision de Investigaciones Cientificas de la Provincia de Buenos Aires is gratefully acknowledged. | |||||||||
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Issue or Number: | 16 | |||||||||
DOI: | 10.1021/j100213a002 | |||||||||
Record Number: | CaltechAUTHORS:20150623-154815098 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20150623-154815098 | |||||||||
Official Citation: | Direct evidence of inefficient vibrational energy transfer in gas-surface collisions V. T. Amorebieta and A. J. Colussi The Journal of Physical Chemistry 1982 86 (16), 3058-3060 DOI: 10.1021/j100213a002 | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 58548 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | George Porter | |||||||||
Deposited On: | 24 Jun 2015 17:42 | |||||||||
Last Modified: | 10 Nov 2021 22:07 |
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