Selective Hydrogenation of Cinnamaldehyde to Cinnamyl Alcohol over Graphene Supported Pt-Co Bimetallic Catalysts

被引：42
|
作者：
Rong, Zeming [1 ]
Sun, Zhuohua [1 ]
Wang, Yong [1 ]
Lv, Jinkun [1 ]
Wang, Yue [1 ]
机构：
[1] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116024, Peoples R China
来源：
CATALYSIS LETTERS | 2014年 / 144卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Graphene; Platinum; Cobalt; Cinnamaldehyde; Selective hydrogenation; CARBON NANOTUBES; METHANOL OXIDATION; PARTICLE-SIZE; OXIDE; PLATINUM; NANOPARTICLES; PERFORMANCE;
D O I：
10.1007/s10562-014-1209-5
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：
Pt-based bimetallic nanoparticles supported on reduced graphene oxide were prepared by a facile NaBH4 reduction and chemically probed in the selective hydrogenation of cinnamaldehyde to cinnamyl alcohol (CAO). Compared with other metals (Fe, Ni, Cu, Zn), Co effectively promoted the catalytic performance. When the mass ratio of Pt:Co was 5:1, the selectivity to CAO was 89.5 % with 94.6 % conversion, which were higher than exclusively using Pt catalyst. The enhanced selectivity and activity might be attributed to the change of the electronic environment on Pt metal surface through metal-metal interaction.
引用
收藏
页码：980 / 986
页数：7
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