期刊
APPLIED ORGANOMETALLIC CHEMISTRY
卷 30, 期 8, 页码 722-725出版社
WILEY
DOI: 10.1002/aoc.3496
关键词
three-dimensional graphene; composite catalyst; porous materials; reduction
资金
- key project of Shanghai Science and Technology Committee [14231200300]
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- SRF for ROCS, SEM
A Pt@three-dimensional graphene (Pt@3DG) composite hydrogel with a unique porous nanostructure was prepared and used as an efficient, recyclable and robust catalyst for the reduction of 4-nitrophenol to 4-aminophenol under mild conditions. The influence of graphene architecture on catalytic activities was comparatively investigated by loading the same amount of Pt on reduced graphene oxide. Pt@3DG exhibits a very high catalytic activity owing to the three-dimensional macroporous framework with high specific surface area, numerous activation sites and efficient transport pathways. Moreover, catalyst separation can be easily achieved by simple filtration, and the catalyst can be reused for at least five runs, maintaining its high catalytic activity. Copyright (c) 2016 John Wiley & Sons, Ltd.
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