A 3D Anionic Metal Covalent Organic Framework with soc Topology Built from Octahedral TiIV Complex for Photocatalytic Reactions

被引：75

作者：

Lu, Hui-Shu ^{[1
]}

Han, Wang-Kang ^{[1
]}

Yan, Xiaodong ^{[1
]}

Chen, Chuan-Jie ^{[1
]}

Niu, Tengfei ^{[1
]}

Gu, Zhi-Guo ^{[1
]}

机构：

[1] Jiangnan Univ, Key Lab Synthet & Biol Colloids, Minist Educ, Sch Chem & Mat Engn, Wuxi 214122, Jiangsu, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2021年 / 60卷 / 33期

基金：

中国国家自然科学基金;

关键词：

covalent organic frameworks; photocatalytic reactions; three-dimensional; Ti-IV complexes; topology; DESIGN; CRYSTALLINE; RADICALS;

D O I：

10.1002/anie.202102665

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The construction of three-dimensional (3D) covalent organic frameworks (COFs) remains challenging due to the limited types of organic building blocks. With octahedral Ti-IV complex as the building unit, this study reports on the first 3D anionic titanium-based COF (Ti-COF-1) with an edge-transitive (6, 4)-connected soc topology. Ti-COF-1 exhibits high crystallinity, superior stability, and large specific surface area (1000.4 m(2) g(-1)). Moreover, Ti-COF-1 has a broad absorption band in the UV spectrum with an optical energy gap of 1.86 eV, and exhibits high photocatalytic activity toward Meerwein addition reactions. This research demonstrates an attractive strategy for the design of 3D functional COFs.

引用

页码：17881 / 17886

页数：6

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