Ultrathin Porphyrin-Based Covalent Organic Framework Nanosheets for Efficient Photocatalytic Oxidation of Sulfides to Sulfoxides

被引：0

作者：

Liu Wen-Bo ^{[1
]}

Dang Hui ^{[1
]}

Liu Wen-Ping ^{[1
]}

Yu Zong-Hua ^{[1
]}

Cao Wei ^{[2
]}

Wang Kang ^{[1
]}

Jiang Jian-Zhuang ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Beijing Key Lab Sci & Applicat Funct Mol & Crysta, Beijing Adv Innovat Ctr Mat Genome Engn, Dept Chem & Chem Engn,Sch Chem Awl Biol Engn, Beijing 100083, Peoples R China

[2] State Key Lab NBC Protect Civilian, Beijing 102205, Peoples R China

来源：

CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2021年 / 37卷 / 07期

基金：

北京市自然科学基金;

关键词：

covalent organic framework; nanosheets; singlet oxygen; photocatalyst; sulfides; sulfoxides; SELECTIVE OXIDATION; PHOTOOXIDATION; CATALYSTS;

D O I：

10.11862/CJIC.2021.137

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Singlet oxygen (O-1(2)) is an efficient and convenient oxidant for the selective oxidation of sulfides to sulfoxides. It is critical to develop efficient photosensitizers with the high O-1(2) quantum yield. Herein, we describe the fabrication and characterization of ultrathin two. dimensional covalent organic frameworks (COFs) nanosheets (NSs), COF-367 NSs. In particular, the good dispersibility in various organic solvent and high efficiency in light harvesting of COF-367 NS endow the remarkable performance towards O-1(2) generation upon irradiation with visible light, much better than the bulk COF-367. We also demonstrate that COF-367 NSs are an excellent heterogeneous catalyst in photocatalytic oxidation of sulfides to sulfoxides with high yield and selectivity as well as good recycling stability.

引用

页码：1307 / 1314

页数：8

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