The direct synthesis of hydrogen peroxide from H2 and O2 using Pd-Ga and Pd-In catalysts

被引：34
|
作者：
Wang, Sheng [1 ,2 ]
Lewis, Richard J. [3 ]
Doronkin, Dmitry E. [1 ,4 ]
Morgan, David J. [3 ]
Grunwaldt, Jan-Dierk [1 ,4 ]
Hutchings, Graham J. [3 ]
Behrens, Silke [1 ,2 ]
机构：
[1] KIT, Inst Catalysis Res & Technol IKFT, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany
[2] Heidelberg Univ, Inst Inorgan Chem, Neuenheimer Feld 270, D-69120 Heidelberg, Germany
[3] Cardiff Univ, Cardiff Catalysis Inst, Sch Chem, Main Bldg,Pk Pl, Cardiff CF10 3AT, Wales
[4] KIT, Inst Chem Technol & Polymer Chem ITCP, Engesserstr 20, D-76131 Karlsruhe, Germany
来源：
CATALYSIS SCIENCE & TECHNOLOGY | 2020年 / 10卷 / 06期
关键词：
EFFICIENT EPOXIDATION; SELECTIVE OXIDATION; H2O2; PALLADIUM; NANOPARTICLES; GOLD; SULFOXIDES; SULFIDES; SULFONES;
D O I：
10.1039/c9cy02210d
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 direct synthesis of hydrogen peroxide is investigated using PdGa/TiO2 and PdIn/TiO2 catalysts prepared by an acid-washed sol-immobilisation procedure, which allows for good control of particle size. The introduction of both Ga and In into a supported Pd catalyst leads to significantly reduced rates of H2O2 degradation in comparison to the monometallic counterpart. Detailed characterisation reveals that this enhancement is a result of selectively tuning the ratio of Pd oxidation states.
引用
收藏
页码：1925 / 1932
页数：8
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