THE NATURE OF RHENIUM IN SILICA-SUPPORTED PT-RE CLUSTERS - SYNCHROTRON X-RAY-DIFFRACTION STUDIES

被引：14

作者：

LIANG, KS ^{[1
]}

CHIEN, FZ ^{[1
]}

HUGHES, GJ ^{[1
]}

MEITZNER, GD ^{[1
]}

SINFELT, JH ^{[1
]}

机构：

[1] EXXON RES & ENGN CO,CORP RES LAB,ANNANDALE,NJ 08801

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1991年 / 95卷 / 24期

关键词：

D O I：

10.1021/j100177a067

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：

Using synchrotron anomalous X-ray diffraction, we studied the structure of bimetallic Pt-Re catalysts with SiO2 as a support. Our results reveal the presence of Re with a face-centered cubic structure in these catalysts. We propose that this form of Re is grown on Pt by an epitaxial effect.

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页码：9974 / 9979

页数：6

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