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Chemisorption and oxidation of carbon monoxide on palladium alloys

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Abstract

Kinetic and adsorption data (programmed thermal desorption in situ) for the oxidation of carbon monoxide on palladium alloys with silver and gold have been discussed. It has been shown that the local reaction plays a determining role and that active cluster sites are best for catalysis which are monoatomic with respect to palladium, weakly binding the chemisorbed CO molecule. The role of silver is to activate the second component: oxygen. The cluster model makes it possible to predict the optimum composition of Pd-Ag catalysts for the oxidation of CO and to explain the dependence of Pd-Au activity on the composition.

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Authors
  1. V. K. Yatsimirskii
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Kiev University. Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 27, No. 5, pg. 574–578 September–October, 1991. Original article submitted July 12, 1991.

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Yatsimirskii, V.K. Chemisorption and oxidation of carbon monoxide on palladium alloys. Theor Exp Chem 27, 500–503 (1991). https://doi.org/10.1007/BF01372706

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  • DOI: https://doi.org/10.1007/BF01372706

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