期刊
NATURE COMMUNICATIONS
卷 10, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-019-12460-7
关键词
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资金
- Ministry of Science and Technology [2016YFA0204100, 2017YFB0602200]
- National Natural Science Foundation of China [91845201, 21573254, 91545110, 21725301, 91645115, 21932002, 21473003]
- Joint Fund of National Natural Science Foundation of China [U1732667]
- Youth Innovation Promotion Association
- Chinese Academy of Science (CAS)
- Research Grants Council of Hong Kong [16306818, C6021-14E]
The design of cheap, non-toxic, and earth-abundant transition metal catalysts for selective hydrogenation of alkynes remains a challenge in both industry and academia. Here, we report a new atomically dispersed copper (Cu) catalyst supported on a defective nanodiamond-graphene (ND@G), which exhibits excellent catalytic performance for the selective conversion of acetylene to ethylene, i.e., with high conversion (95%), high selectivity (98%), and good stability (for more than 60 h). The unique structural feature of the Cu atoms anchored over graphene through Cu-C bonds ensures the effective activation of acetylene and easy desorption of ethylene, which is the key for the outstanding activity and selectivity of the catalyst.
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