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Formation of bimetallic RhCo3 clusters from monometallic carbonyl clusters on SiO2 as probed by hydroformylation
Huang, L
KeywordSilica-supported Rhco3 Rh-4(Co)(12) Co-2(Co)(8) Coimpregnation Hydroformylation
Source PublicationJOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
1997-10-31
Volume125Issue:1Pages:47-52
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordOLEFIN HYDROFORMYLATION ; CATALYTIC HYDROFORMYLATION ; CO HYDROGENATION ; COBALT-SILICA ; RHODIUM ; IR ; SPECTROSCOPY ; MONOXIDE ; SURFACE ; CO/SIO2
AbstractA 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.
Language英语
WOS IDWOS:A1997YH65100010
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142795
Collection中国科学院大连化学物理研究所
Recommended Citation
GB/T 7714
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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