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Title

Study of Ethylene Adsorption on Pd

یازدهمین کنگره ملی مهندسی شیمی ایران
Year: 1385
COI: NICEC11_273
Language: EnglishView: 1,657
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Authors

Alireza Jalilazar - Tarbiat Modarres University
Hamid Mehdizadeh - Tarbiat Modarres University
Mehrdad Manteghian - Tarbiat Modarres University
Susan Khosroyar - Islamic Azad University

Abstract:

In this paper, the effect of different parameters on the ethylene adsorption on Pd surfaces has been studied. The focus is on Pd (111) surface, because it is the most stable site, but Pd (100) and Pd (110) are included for completeness. Fully optimized geometries and adsorption energies obtained from nonlocal density functional calculations are presented for Pdn(C2H4) (n =1-6) clusters. The adsorption mode can be π or di- σ according to the cluster size. The di- σ adsorption mode is characterized by a strong distortion for both the ethylene and the metal cluster. The potential energy surfaces for the C-H activation show that the d10 configuration of palladium is suitable for the formation of the π molecular complexes, whereas the d9s1 configuration is suitable for the formation of the σ bonds of the vinylhydride products. This work demonstrates how the nature and bond strength of the surface species formed on the adsorption of ethylene on Pd may be altered by using modifiers.

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Paper COI Code

This Paper COI Code is NICEC11_273. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

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Jalilazar, Alireza and Mehdizadeh, Hamid and Manteghian, Mehrdad and Khosroyar, Susan,1385,Study of Ethylene Adsorption on Pd,11th National Iranian Chemical Engineering Congress,Tehran,https://civilica.com/doc/30560

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