Surface characterization and reactivity of Pd8Ni92 (111) and (110) alloys

被引：61

作者：

Michel, AC ^{[1
]}

Lianos, L ^{[1
]}

Rousset, JL ^{[1
]}

Delichere, P ^{[1
]}

Prakash, NS ^{[1
]}

Massardier, J ^{[1
]}

Jugnet, Y ^{[1
]}

Bertolini, JC ^{[1
]}

机构：

[1] Inst Rech Catalyse, CNRS, F-69626 Villeurbanne, France

来源：

SURFACE SCIENCE | 1998年 / 416卷 / 1-2期

关键词：

butadiene hydrogenation; catalysis; LEIS; low index single crystal surfaces; palladium-nickel; XPS;

D O I：

10.1016/S0039-6028(98)00614-1

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Pd8Ni92 (111) and (110) surfaces have been investigated using X-ray photoelectron spectroscopy and low energy ion scattering. As expected, a high rate of Pd segregation is observed on both faces leading to Fd surface concentrations of 76 and 81 at.% on the (111) and (110) surfaces, respectively. The catalytic performances of these surfaces have been studied for the 1,3-butadiene hydrogenation reaction. The catalytic activity of these alloys is greatly enhanced relative to that of the pure Fd(lll) and (110) surfaces. (C) 1998 Published by Elsevier Science B.V. All rights reserved.

引用

页码：288 / 294

页数：7

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