Post-synthetic atomically precise single-Cu sites in a thiacalix[4]arene-supported octahedral Na@Co cluster: the Cu-Co synergistic effect for selective photocatalytic conversion of CO to CO

A thiacalix[4]arene-supported octahedral Na@Co 24 cluster has been fabricated by the modular assembly of six Co 4 -(TC4A) polynuclear secondary building units (PSBUs) and eight 2,4,6-PTC linkers. The post-modification of Na@Co 24 by ion exchange of Na + with Cu 2+ on the surface of the octahedron af...

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Published in:Chemical communications (Cambridge, England) England), 2023-05, Vol.59 (37), p.5591-5594
Main Authors: Guo, Yinjuan, Li, Jiahui, Zhao, Guiyan, Chen, Baokuan, Hang, Xinxin, Bi, Yanfeng
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Summary:A thiacalix[4]arene-supported octahedral Na@Co 24 cluster has been fabricated by the modular assembly of six Co 4 -(TC4A) polynuclear secondary building units (PSBUs) and eight 2,4,6-PTC linkers. The post-modification of Na@Co 24 by ion exchange of Na + with Cu 2+ on the surface of the octahedron afforded a structurally well-defined Cu@Co 24 cluster. The obtained Cu@Co 24 cluster achieved improved visible-light absorption and selective photoreduction of CO 2 to CO due to the Cu-Co synergistic effect. The post-synthetic atomically precise single-Cu II sites in a thiacalix[4]arene-supported octahedral Na@Co 24 cluster afforded a Cu@Co 24 photocatalyst for selective conversion of CO 2 to CO.
ISSN:1359-7345
1364-548X
DOI:10.1039/d3cc01230a