Active catalyst construction for CO recycling via catalytic synthesis of N-doped carbon on supported Cu.

Nat Commun 2019 06 13;10(1):2599. Epub 2019 Jun 13.

State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, No.18, Tianshui Middle Road, 730000, Lanzhou, China.

Bridging homogeneous and heterogeneous catalysis is a long-term pursuit in the field of catalysis. Herein, we report our results in integration of nano- and molecular catalysis via catalytic synthesis of nitrogen doped carbon layers on AlOx supported nano-Cu which can finely tune the catalytic performance of the supported copper catalyst. This synthetic catalytic material, which can be generated in situ by the reaction of CuAlOx and 1,10-Phen in the presence of hydrogen, could be used for controllable synthesis of N,N-dimethylformamide (DMF) from dimethylamine and CO/H via blocking reaction pathways of further catalytic hydrogenation of DMF to N(CH). Detailed characterizations and DFT calculations reveal that the presence of N-doped layered carbon on the surface of the nano-Cu particles results in higher activation energy barriers during the conversion of DMF to N(CH). Our primary results could promote merging of homogeneous catalysis and heterogeneous catalysis and CO recycling.

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Source
http://www.nature.com/articles/s41467-019-10633-y
Publisher Site
http://dx.doi.org/10.1038/s41467-019-10633-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6565717PMC
June 2019
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