Ostwald ripening-induced hollow photoactive Zn-MOF-confined electron-deficient Cu NPs for enhanced photocatalytic oxidative dehydrogenation to quinoline

Leixin Hou; Yanli Chen; Ziyan Li; Congfa Bian; Youyi Li; Mi Zhang; Guilin Wen; Daofu Liu; Huilin Huang

doi:10.1039/D5DT02784E

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Ostwald ripening-induced hollow photoactive Zn-MOF-confined electron-deficient Cu NPs for enhanced photocatalytic oxidative dehydrogenation to quinoline

Leixin Hou,

*^a Yanli Chen,^a Ziyan Li,^a Congfa Bian,^a Youyi Li,^a Mi Zhang,^a Guilin Wen,

^a Daofu Liu^a and Huilin Huang

*^b

Author affiliations

* Corresponding authors

^a School of Chemistry and Materials Engineering, Huainan Normal University, Huainan, Anhui, P. R. China
E-mail: houleixin@hnnu.edu.cn

^b School of Chemical and Printing Dyeing Engineering, Henan University of Engineering, Zhengzhou, P. R. China
E-mail: huanghuilin321@126.com

Abstract

A well-defined hollow Cu/Zn-TPBD composite was constructed for the first time via a modified Ostwald ripening method in this study. The unique donor–acceptor architecture in Cu/Zn-TPBD induced enhanced charge separation efficiency compared to parent Zn-TPBD, enabling superior optoelectronic properties and reactive oxygen species generation capacity. This structural advantage enables efficient photooxidative dehydrogenation of 1,2,3,4-tetrahydroquinoline via an ˙O₂⁻-mediated pathway.

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DOI: https://doi.org/10.1039/D5DT02784E
Article type: Communication
Submitted: 20 Nov 2025
Accepted: 30 Dec 2025
First published: 02 Jan 2026

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Dalton Trans., 2026, Advance Article

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Ostwald ripening-induced hollow photoactive Zn-MOF-confined electron-deficient Cu NPs for enhanced photocatalytic oxidative dehydrogenation to quinoline

L. Hou, Y. Chen, Z. Li, C. Bian, Y. Li, M. Zhang, G. Wen, D. Liu and H. Huang, Dalton Trans., 2026, Advance Article , DOI: 10.1039/D5DT02784E

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Ostwald ripening-induced hollow photoactive Zn-MOF-confined electron-deficient Cu NPs for enhanced photocatalytic oxidative dehydrogenation to quinoline

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Ostwald ripening-induced hollow photoactive Zn-MOF-confined electron-deficient Cu NPs for enhanced photocatalytic oxidative dehydrogenation to quinoline

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