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Formation of bimetallic RhCo3 clusters from monometallic carbonyl clusters on SiO2 as probed by hydroformylation
Huang, L
关键词Silica-supported Rhco3 Rh-4(Co)(12) Co-2(Co)(8) Coimpregnation Hydroformylation
刊名JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
1997-10-31
125期:1页:47-52
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]OLEFIN HYDROFORMYLATION ; CATALYTIC HYDROFORMYLATION ; CO HYDROGENATION ; COBALT-SILICA ; RHODIUM ; IR ; SPECTROSCOPY ; MONOXIDE ; SURFACE ; CO/SIO2
英文摘要A bimetallic SiO2-supported RhCo3 cluster catalyst derived from Rh-4(CO)(12) and Co-2(CO)(8) by coimpregnation followed by decarbonylation under H-2 at 623 K has been probed by atmospheric ethylene hydroformylation at 423 K. The catalytic behavior is consistent with that of RhCo3/SiO2 derived from RhCo3(CO)(12). At the same time, the corresponding binary catalysts prepared from inorganic rhodium and cobalt salts exhibit much lower activities than RhCo3/SiO2 and significantly enhanced activities compared to monometallic catalysts. The results suggest that the increase in catalytic activity by combination of rhodium and cobalt is attributed to the bimetallic catalysis by RhCo3 clusters regardless of the synergistic catalysis by monometallic rhodium and cobalt sites. (C) 1997 Elsevier Science B.V.
语种英语
WOS记录号WOS:A1997YH65100010
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142795
专题中国科学院大连化学物理研究所
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Huang, L. Formation of bimetallic RhCo3 clusters from monometallic carbonyl clusters on SiO2 as probed by hydroformylation[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,1997,125(1):47-52.
APA Huang, L.(1997).Formation of bimetallic RhCo3 clusters from monometallic carbonyl clusters on SiO2 as probed by hydroformylation.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,125(1),47-52.
MLA Huang, L."Formation of bimetallic RhCo3 clusters from monometallic carbonyl clusters on SiO2 as probed by hydroformylation".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 125.1(1997):47-52.
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