ADSORPTION OF ACETYLENE ON A Pd–Pb BIMETALLIC SURFACE — A THEORETICAL STUDY-Reference-Cited by-同舟云学术

ADSORPTION OF ACETYLENE ON A Pd–Pb BIMETALLIC SURFACE — A THEORETICAL STUDY

Published:1997-08 Issue:04 Volume:04 Page:621-628
ISSN:0218-625X
Container-title:Surface Review and Letters
language:en
Short-container-title:Surf. Rev. Lett.

Author:

FERULLO R. M.¹²,TOUROUDE R.²,CASTELLANI N. J.¹³

Affiliation:

1. Planta Piloto de Ingeniería Química (UNS-CONICET), 12 de Octubre 1842, 8000 Bahía Blanca, Argentina

2. Laboratoire d'Etudes de la Réactivité Catalytique, des Surfaces et Interfaces, 4 rue Blaise Pascal, 67070 Strasbourg, France

3. Departamento de Física, Unversidad Nacional del Sur, Av Alem 1253, 8000 Bahía Blanca, Argentina

Abstract

A semiempirical molecular orbital study of acetylene adsorption over Pd(111) and Pd3Pb(111) has been performed. A strong negative effect of Pb atoms on Pd chemisorptive strength was observed in the alloy. This behavior is related to a lower hybridization between acetylene π* and Pd orbitals when this mental interacts with Pb. Moreover this negative effect of Pb is of a strong local character.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218625X97000614

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