Yingling Liao, Zitong Wang, Jinhong Li, Yingjie Fan, David Wang, Li Shi, Wenbin Lin
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引用次数: 0
Abstract
We report a bifunctional metal–organic layer (MOL) as a photocatalyst for CO2 reduction to CO under visible light irradiation with a turnover number of 6990 in 24 h and a CO selectivity of 99%. The fully accessible and modifiable Hf12 secondary building units and the coordinating porphyrin linkers of the MOL allow for the integration of both Ru photosensitizers and catalytic Fe-porphyrin sites into one single platform. The close distance (∼11 Å) between the Ru photosensitizer and the catalytic center leads to enhanced electron transfer and promotes photocatalytic CO2 reduction. This strategy leads to an increase of the CO2-to-CO turnover number for the bifunctional MOL catalyst over a combination of a homogeneous Ru photosensitizer and an Fe-porphyrin complex. The mechanism of MOL-catalyzed CO2 photoreduction was also studied by photophysical and electrochemical experiments.
期刊介绍：
ACS Catalysis is an esteemed journal that publishes original research in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. It offers broad coverage across diverse areas such as life sciences, organometallics and synthesis, photochemistry and electrochemistry, drug discovery and synthesis, materials science, environmental protection, polymer discovery and synthesis, and energy and fuels.
The scope of the journal is to showcase innovative work in various aspects of catalysis. This includes new reactions and novel synthetic approaches utilizing known catalysts, the discovery or modification of new catalysts, elucidation of catalytic mechanisms through cutting-edge investigations, practical enhancements of existing processes, as well as conceptual advances in the field. Contributions to ACS Catalysis can encompass both experimental and theoretical research focused on catalytic molecules, macromolecules, and materials that exhibit catalytic turnover.
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