Wavelength-Selective C-C and C-N Bond Formation via Defect-Engineered ZnIn2S4

被引：20

作者：

Leng, Xiaohui ^{[1
,2
]}

Zhou, Xin ^{[2
]}

Ma, Lu ^{[3
]}

Du, Yonghua ^{[3
]}

Peng, Ouwen ^{[2
]}

Chen, Zhongxin ^{[2
]}

Pan, Jinhui ^{[1
,2
]}

Qi, Ming-Yu ^{[4
]}

Zheng, Jian-Hui ^{[4
]}

Xu, Yi-Jun ^{[4
]}

Loh, Kian Ping ^{[1
,2
]}

机构：

[1] Tianjin Univ, Joint Sch Natl Univ Singapore & Tianjin Univ, Int Campus, Fuzhou 350207, Peoples R China

[2] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore

[3] Brookhaven Natl Lab, Natl Synchrotron Light Source 2, Upton, NY 11973 USA

[4] Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Peoples R China

来源：

ACS CATALYSIS | 2024年 / 14卷 / 15期

基金：

中国国家自然科学基金;

关键词：

defect engineering; ZnIn2S4; wavelength selective; photocatalytic; C-Cbond formation; C-N bond formation; ENHANCED PHOTOACTIVITY; AEROBIC OXIDATION; HYDROGEN; PHOTOCATALYST; VACANCIES; HETEROJUNCTIONS; BENZYLAMINE; NANOSHEETS; MONOLAYER; IMINE;

D O I：

10.1021/acscatal.4c02199

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Visible light induced oxidative C-C and C-N coupling provides a milder alternative to the current synthetic strategies. However, the photochemical C-C coupling of benzylamine and chromoselective C-C/C-N conversion are not widely reported. Herein, we demonstrate that the introduction of indium vacancies in ZnIn2S4 improves the catalytic activity for C-C coupling of benzylamine and imparts a strong chromoselectivity for C-C or C-N coupled products. A high C-C selectivity of similar to 80% is achieved with a benzylamine conversion of similar to 80%. Mechanistic studies unveil the switchable reaction routes between kinetically favored C-C coupling and thermodynamically favored C-N coupling under specific illumination conditions.

引用

页码：11554 / 11563

页数：10

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