Au@ZIF-8: CO Oxidation over Gold Nanoparticles Deposited to Metal-Organic Framework

被引:773
作者
Jiang, Hai-Long [1 ,2 ]
Liu, Bo [1 ,3 ]
Akita, Tomoki [1 ,2 ]
Haruta, Masatake [2 ,4 ]
Sakurai, Hiroaki [1 ,2 ]
Xu, Qiang [1 ,2 ,3 ]
机构
[1] Natl Inst Adv Ind Sci & Technol, Osaka 5638577, Japan
[2] Japan Sci & Technol Agcy JST, CREST, Kawaguchi, Saitama 3320012, Japan
[3] Kobe Univ, Grad Sch Engn, Nada Ku, Kobe, Hyogo 6578501, Japan
[4] Tokyo Metropolitan Univ, Grad Sch Urban Environm Sci, Tokyo 1920397, Japan
关键词
POROUS COORDINATION POLYMERS; LOW-TEMPERATURE OXIDATION; HYDROGEN STORAGE; CATALYTIC-ACTIVITY; AU; SEPARATION; STABILITY; ACID;
D O I
10.1021/ja9047653
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Gold nanoparticles (NPs) were deposited to a zeolite-type metal-organic framework (MOF) by a simple solid grinding method. A catalyst, Au@ZIF-8, represents the first example of an active catalyst in CO oxidation by using a MOF as a novel support for noble metal NPs. The catalytic activity for CO oxidation is improved along with increasing Au loadings, and the highest catalytic activity is obtained for 5.0 wt % Au@ZIF-8, which presents half conversion of CO at similar to 170 degrees C. Gold NPs are close to being monodisperse and have no aggregation during catalytic reaction, and the catalytic activity is reproducible.
引用
收藏
页码:11302 / +
页数:4
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