期刊
CHEMCATCHEM
卷 8, 期 6, 页码 1132-1138出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201501265
关键词
cobalt; heterogeneous catalysis; graphene; hydrogenation; nanoparticles
资金
- Natural Science Foundation of China [21403248, 21174148, 21101161, 21304101]
Co/CoO nanoparticles coated with graphene layers (Co/CoO@Carbon) have been developed through direct heating treatment of cobalt oxide precursors incipiently deposited over nanographite materials. Cobalt oxides are partially reduced to active zero-valent metal species and the simultaneous formation of carbon layers over the nanoparticles protects them from oxidation and deactivation. This nanocatalyst performs excellently in chemoselective hydrogenation of some challenging nitroarenes with reducible functionalities to the corresponding anilines. The catalyst is kept in active and selective performance in a ten-run recycling test.
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