Issue 29, 2022

Ni single atoms on carbon nitride for visible-light-promoted full heterogeneous dual catalysis

Abstract

Visible-light-driven organic transformations are of great interest in synthesizing valuable fine chemicals under mild conditions. The merger of heterogeneous photocatalysts and transition metal catalysts has recently drawn much attention due to its versatility for organic transformations. However, these semi-heterogenous systems suffered several drawbacks, such as transition metal agglomeration on the heterogeneous surface, hindering further applications. Here, we introduce heterogeneous single Ni atoms supported on carbon nitride (NiSAC/CN) for visible-light-driven C–N functionalization with a broad substrate scope. Compared to a semi-heterogeneous system, high activity and stability were observed due to metal–support interactions. Furthermore, through systematic experimental mechanistic studies, we demonstrate that the stabilized single Ni atoms on CN effectively change their redox states, leading to a complete photoredox cycle for C–N coupling.

Graphical abstract: Ni single atoms on carbon nitride for visible-light-promoted full heterogeneous dual catalysis

Supplementary files

Article information

Article type
Edge Article
Submitted
18 apr 2022
Accepted
20 jun 2022
First published
20 jun 2022
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2022,13, 8536-8542

Ni single atoms on carbon nitride for visible-light-promoted full heterogeneous dual catalysis

M. Kwak, J. Bok, B. Lee, J. Kim, Y. Seo, S. Kim, H. Choi, W. Ko, W. Hooch Antink, C. W. Lee, G. H. Yim, H. Seung, C. Park, K. Lee, D. Kim, T. Hyeon and D. Yoo, Chem. Sci., 2022, 13, 8536 DOI: 10.1039/D2SC02174A

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