MOFs Conferred with Transient Metal Centers for Enhanced Photocatalytic Activity

被引：173

作者：

Chen, Xiaolang ^{[1
]}

Xiao, Shuning ^{[1
]}

Wang, Hao ^{[2
,3
]}

Wang, Wenchao ^{[1
]}

Cai, Yong ^{[1
]}

Li, Guisheng ^{[1
]}

Qiao, Minghua ^{[2
,3
]}

Zhu, Jian ^{[1
]}

Li, Hexing ^{[1
]}

Zhang, Dieqing ^{[1
]}

Lu, Yunfeng ^{[4
]}

机构：

[1] Shanghai Normal Univ, Key Lab Resource Chem, Minist Educ, Shanghai Key Lab Rare Earth Funct Mat,Coll Chem &, Shanghai 200234, Peoples R China

[2] Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China

[3] Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China

[4] Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA 90095 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2020年 / 59卷 / 39期

基金：

中国国家自然科学基金;

关键词：

copper; electron transport; hydrogen evolution; metal-organic frameworks; photocatalysis; ORGANIC FRAMEWORKS; HYDROGEN-PRODUCTION; CARBON; ELECTROCATALYST; NANOPARTICLES; INTEGRATION; GENERATION; CATALYSTS;

D O I：

10.1002/anie.202002375

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Highly effective photocatalysts for the hydrogen-evolution reaction were developed by conferring the linkers of NH2-MIL-125(Ti), a metal-organic framework (MOF) constructed from TiO(x)clusters and 2-aminoterephthalic acid (linkers), with active copper centers. This design enables effective transfer of electrons from the linkers to the transient Cu2+/Cu(+)centers, leading to 7000-fold and 27-fold increase of carrier density and lifetime of photogenerated charges, respectively, as well as high-rate production of H(2)under visible-light irradiation. This work provides a novel design of a photocatalyst for hydrogen evolution using non-noble Cu2+/Cu(+)as co-catalysts.

引用

页码：17182 / 17186

页数：5

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