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

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Title
Ni single atoms on carbon nitride for visible-light-promoted full heterogeneous dual catalysis
Author(s)
Minjoon Kwak; Jinsol Bok; Byoung-Hoon Lee; Kim, J.; Seo, Y.; Kim, S.; Choi, H.; Wonjae Ko; W. Hooch Antink; Chanwoo Lee; Yim, G.H.; Hyojin Seung; Chansul Park; Lee, K.-S.; Dae-Hyeong Kim; Taeghwan Hyeon; Dongwon Yoo
Publication Date
2022-08
Journal
Chemical Science, v.13, no.29, pp.8536 - 8542
Publisher
Royal Society of Chemistry
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. © 2022 The Royal Society of Chemistry.
URI
https://pr.ibs.re.kr/handle/8788114/12908
DOI
10.1039/d2sc02174a
ISSN
2041-6520
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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