Understanding the synergistic effects of gold bimetallic catalysts

被引：187

作者：

Wang, Aiqin ^{[1
]}

Liu, Xiao Yan ^{[1
]}

Mou, Chung-Yuan ^{[2
]}

Zhang, Tao ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

[2] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan

来源：

JOURNAL OF CATALYSIS | 2013年 / 308卷

基金：

中国国家自然科学基金;

关键词：

Gold; Bimetallic; CO oxidation; Hydrogenation; Synergy; HIGHLY EFFICIENT CATALYST; LOW-TEMPERATURE OXIDATION; CU ALLOY NANOPARTICLES; SOLVENT-FREE OXIDATION; ON-AU NANOSTRUCTURES; CO OXIDATION; SELECTIVE HYDROGENATION; CHEMOSELECTIVE HYDROGENATION; HYDROLYTIC DEHYDROGENATION; AEROBIC OXIDATION;

D O I：

10.1016/j.jcat.2013.08.023

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：

In with the course of the "gold rush" in catalysis, gold bimetallic nanocatalysts have attracted considerable interest in the past decade, attributed to their improved sintering resistance, enhanced activity, and more tunable selectivity. In this article, we classify the gold bimetallic catalysts into Au-BM and Au-PGM, based on the chemical properties of the second metal, where BM refers to base metals (Ag, Cu, Ni, Co, etc.) that are characterized by their pronounced effect in promoting oxygen activation in gold-catalyzed oxidation reactions, while PGM refers to platinum group metals (Pt, Pd, Rh, etc.) that are characterized by their remarkable effect in promoting Hy dissociation in gold-catalyzed hydrogenation reactions. The preparation of catalysts with controlled size and composition, their structural evolution under different atmospheres, and the promotional role of the second metal in gold catalysis have been addressed. (C) 2013 Elsevier Inc. All rights reserved.

引用

页码：258 / 271

页数：14

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