Enhancing catalytic performance of AuPd catalysts towards the direct synthesis of H2O2 through incorporation of base metals

被引：23

作者：

Barnes, Alexandra ^{[1
]}

Lewis, Richard J. ^{[1
]}

Morgan, David J. ^{[1
,2
]}

Davies, Thomas E. ^{[1
]}

Hutchings, Graham J. ^{[1
]}

机构：

[1] Cardiff Univ, Max Planck Cardiff Ctr Fundamentals Heterogeneous, Sch Chem, Cardiff Catalysis Inst, Main Bldg,Pk Pl, Cardiff CF10 3AT, Wales

[2] Res Complex Harwell RCaH Didcot, Harwell XPS, Didcot OX11 0FA, Oxon, England

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2022年 / 12卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

HYDROGEN-PEROXIDE SYNTHESIS; PARTICLE-SIZE; SELECTIVE OXIDATION; ACTIVE-SITES; PD-AU; PALLADIUM; H-2; NANOPARTICLES; O-2; METHANE;

D O I：

10.1039/d1cy01962g

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：

The introduction of small quantities of tertiary base metals into supported AuPd nanoparticles results in improved catalytic performance towards the direct synthesis of H2O2, compared to the bi-metallic analogue. This enhanced activity can be attributed to the electronic modification of Pd and the formation of domains of mixed Pd oxidation state. In particular the introduction of Ni is observed to result in initial rates of H2O2 synthesis, where the contribution from competitive degradation reactions is negligible, in excess of three times that achieved over the supported AuPd catalyst.

引用

收藏

页码：1986 / 1995

页数：10

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