首页|Carbon dots-incorporated CuSeO3 rationally regulates activity and selectivity of the hydrogen species via light-converted electrons

Carbon dots-incorporated CuSeO3 rationally regulates activity and selectivity of the hydrogen species via light-converted electrons

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The chemoselective hydrogenation of structurally diverse nitroaromatics is a challenging process.Gen-erally,catalyst activity tends to decrease when excellent selectivity is guaranteed.We here present a novel photocatalyst combining amino-functionalized carbon dots(N-CDs)with copper selenite nanoparti-cles(N-CDs@CuSeO3)for simultaneously improving selectivity and activity.Under visible light irradiation,the prepared N-CDs@CuSeO3 exhibits 100％catalytic selectivity for the formation of 4-aminostyrene at full conversion of 4-nitrostyrene in aqueous solvent within a few minutes.Such excellent photocatalytic performance is mainly attributed to the precise control of the hydrogen species released from the am-monia borane by means of light-converted electrons upon N-CDs@CuSeO3.Besides,the defect states at the interface of N-CDs and CuSeO3 enable holes to be trapped for promoting separation and transfer of photogenerated charges,allowing more hydrogen species to participate in catalytic reaction.

HeterostructureCarbon dotsPhotocatalysisChemoselective hydrogenationCopper selenite

Yuqi Ren、Hongxu Zhang、Caihong Hao、Qing Chang、Ning Li、Jinlong Yang、Shengliang Hu

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Research Group of New Energy Materials and Devices,North University of China,Taiyuan 030051,China

State Key Laboratory of New Ceramics and Fine Processing,Tsinghua University,Beijing 100084,China

Fundamental Research Program of Shanxi Province of ChinaResearch Project Shanxi Scholarship Council of ChinaSpecialized Research Fund for Sanjin Scholars Program of Shanxi Province of China

202103021230372022-136

2024

10.1016/j.cclet.2023.108225

中国化学快报(英文版)
中国化学会

中国化学快报(英文版)

CSTPCD
影响因子：0.771
ISSN：1001-8417
年,卷(期)：2024.35(1)
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