Anchoring Co II Ions into a Thiol‐Laced Metal–Organic Framework for Efficient Visible‐Light‐Driven Conversion of CO 2 into CO

Using solar energy to convert CO 2 into valuable fuels or chemicals offers a powerful solution to urgent energy and environmental problems. However, the development of efficient and selective catalysts remains a considerable scientific challenge. To address this, catalytically active Co II centers c...

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Published in:ChemSusChem 2019-05, Vol.12 (10), p.2166-2170
Main Authors: Liu, Dong‐Cheng, Ouyang, Ting, Xiao, Ran, Liu, Wen‐Ju, Zhong, Di‐Chang, Xu, Zhengtao, Lu, Tong‐Bu
Format: Article
Language:English
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Summary:Using solar energy to convert CO 2 into valuable fuels or chemicals offers a powerful solution to urgent energy and environmental problems. However, the development of efficient and selective catalysts remains a considerable scientific challenge. To address this, catalytically active Co II centers can be anchored into the porous matrix of metal–organic frameworks (MOFs) by utilizing a robust Zr‐based MOF (Zr‐DMBD) functionalized with freestanding thiol groups to enable efficient post‐synthetic metal insertion. The thus‐prepared Zr‐DMBD−Co MOF solids are modified by well‐defined Co–thiolate units and have the capability of photocatalytically converting CO 2 into CO with high efficiency and selectivity under visible‐light irradiation in a water‐containing system. The turnover number and CO selectivity reach as high as 97 941 and 98 %, respectively.
ISSN:1864-5631
1864-564X
DOI:10.1002/cssc.201900338