Photoexcited Ru single-atomic sites for efficient biomimetic redox catalysis

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成果类型：

期刊论文

作者：

Xu, Weiqing;Zhong, Hong;Wu, Yu;Qin, Ying;Jiao, Lei;...

通讯作者：

Zhu, CZ;Guo, SJ

作者机构：

[Qin, Ying; Tang, Yinjun; Zhu, Chengzhou; Jiao, Lei; Gu, Wenling; Xu, Weiqing; Sha, Meng; Wu, Yu; Su, Rina; Zhu, CZ] Cent China Normal Univ, Coll Chem, Int Joint Res Ctr Intelligent Biosensing Technol &, Natl Key Lab Green Pesticide, Wuhan 430079, Peoples R China.

[Zhong, Hong; Beckman, Scott P.] Washington State Univ, Sch Mech & Mat Engn, Pullman, WA 99164 USA.

[Zheng, Lirong] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China.

[Hu, Liuyong] Wuhan Inst Technol, Sch Mat Sci & Engn, Wuhan 430205, Peoples R China.

[Guo, SJ; Zhang, Shipeng; Guo, Shaojun] Peking Univ, Sch Mat Sci & Engn, Beijing 100871, Peoples R China.

通讯机构：

[Guo, SJ ] P

[Zhu, CZ ] C

Cent China Normal Univ, Coll Chem, Int Joint Res Ctr Intelligent Biosensing Technol &, Natl Key Lab Green Pesticide, Wuhan 430079, Peoples R China.

Peking Univ, Sch Mat Sci & Engn, Beijing 100871, Peoples R China.

语种：

英文

关键词：

electron transfer;metal–organic frameworks;nanozymes;photoenzymes;single-atom catalysis

期刊：

Proceedings of the National Academy of Sciences of the United States of America

ISSN：

0027-8424

年：

2023

卷：

120

期：

页码：

e2220315120

DOI：

10.1073/pnas.2220315120

基金类别：

National Natural Science Foundation of China [22074049, 22004042]; Fundamental Research Fundsfor the Central Universities [CCNU22JC006]; Program of Introducing Talents of Discipline to Universities of China (111 program) [B17019]

机构署名：

本校为第一且通讯机构

院系归属：

化学学院

摘要：

The unsatisfactory catalytic activity of nanozymes owing to their inefficient elec-tron transfer (ET) is the major challenge in biomimetic catalysis-related biomedical applications. Inspired by the photoelectron transfers in natural photoenzymes, we herein report a photonanozyme of single-atom Ru anchored on metal-organic frame-works (UiO-67-Ru) for achieving photoenhanced peroxidase (POD)-like activity. We demonstrate that the atomically dispersed Ru sites can realize high photoelectric conversion efficiency, superior POD-like activity (7.0-fold photoactivity enhancement relative to that of U...

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Photoexcited Ru single-atomic sites for efficient biomimetic redox catalysis

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