Pt nanoparticles deposited over carbon nanotubes for selective hydrogenation of cinnamaldehyde |
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| Affiliation: | 1. Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan;2. Laboratory of Green Chemistry and Process, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China;3. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China;1. Department of Chemistry, Jinan University, No. 601 Huangpu Avenue West, 510632 Guangzhou, PR China;2. School of Materials Science and Engineering, South China University of Technology, No. 381 Wushan Road, 510640 Guangzhou, PR China;3. Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials and Laboratory of Advanced Materials, Fudan University, No. 220 Handan Road, 200433 Shanghai, PR China;1. State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China;2. Department of Chemistry, Michigan State University, East Lansing, USA |
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| Abstract: | Two kinds of carbon nanotubes (CNTs) with different inner diameter (less than 10 nm: CNTs-1 and between 60 and 100 nm: CNTs-2) were used as catalyst supports. The platinum particles were simply deposited on the outside surface (CNTs-1) and inside (CNTs-2) and were easily reduced to Pt0 by refluxing. The catalysts exhibit high activities in the selective hydrogenation of cinnamaldehyde which contains both C C and CO bonds. But the selectivity of these two catalysts was quite different under same reaction conditions. The high selective hydrogenation of CO bond was observed over catalyst 3%Pt/CNTs-2, while the completely hydrogenation of both CC and CO bonds was found over catalyst 3%Pt/CNTs-1. |
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