journal article·2021-12Open access

CH-π interaction boosts photocatalytic CO2 reduction activity of a molecular cobalt catalyst anchored on carbon nitride

Jia-Wei Wang, Marcos Gil-Sepulcre, Hai-Hua Huang, Eduardo Solano, Yan-Fei Mu, Antoni Llobet, Gangfeng Ouyang

Cell Reports Physical Science· Volume 2· Issue 12

Abstract

The construction of efficient noble-metal-free systems for visible-light-driven CO2 reduction still remains a key challenge. Here, we report an efficient molecular hybrid system composed of a Co-PYN5 catalyst that contains a pyrene functionality that anchors on g-C3N4 dye surface via CH-π interactions. This hybrid material achieves high turnover numbers (TONs) and turnover frequencies (TOFs) for visible light reduction of CO2 to CO of 533 and 95 h−1 that are within the best reported up to now. The improved performance is rationalized in terms of the electronic coupling that takes place with the π system of the pyrene group with both the g-C3N4 surface and the Co-pyridyl moiety of the catalysts.
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Research context

OpenAlex topics: CO2 Reduction Techniques and Catalysts · Advanced Photocatalysis Techniques · Ammonia Synthesis and Nitrogen Reduction

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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