Direct Z-Scheme Heterojunction of SnS2/Sulfur-Bridged Covalent Triazine Frameworks for Visible-Light-Driven CO2 Photoreduction

被引：66

作者：

Guo, Shien ^{[1
,2
]}

Yang, Peng ^{[1
,2
]}

Zhao, Yanfei ^{[1
]}

Yu, Xiaoxiao ^{[1
,2
]}

Wu, Yunyan ^{[1
,2
]}

Zhang, Hongye ^{[1
]}

Yu, Bo ^{[1
]}

Han, Buxing ^{[1
,2
,3
]}

George, Michael W. ^{[4
,5
]}

Liu, Zhimin ^{[1
,2
,3
]}

机构：

[1] Chinese Acad Sci, Inst Chem, CAS Res Educ Ctr Excellence Mol Sci, Beijing Natl Lab Mol Sci,Key Lab Colloid Interfac, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Huairou Natl Comprehens Sci Ctr, Phys Sci Lab, Beijing 101400, Peoples R China

[4] Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England

[5] Univ Nottingham Ningbo China, Dept Chem & Environm Engn, Ningbo 315100, Peoples R China

来源：

CHEMSUSCHEM | 2020年 / 13卷 / 23期

基金：

中国国家自然科学基金;

关键词：

CO2; reduction; covalent triazine frameworks; photocatalysis; SnS2; Z-Scheme heterojunction; EFFICIENT Z-SCHEME; HEXAGONAL SNS2 NANOSHEETS; G-C3N4/SNS2; PHOTOCATALYST; ORGANIC POLYMERS; REDUCTION; OXIDATION; CONVERSION; CAPTURE; LAYER;

D O I：

10.1002/cssc.202000712

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Solar-driven reduction of CO2 into renewable carbon forms is considered as an alternative approach to address global warming and the energy crisis but suffers from low efficiency of the photocatalysts. Herein, a direct Z-Scheme SnS2/sulfur-bridged covalent triazine frameworks (S-CTFs) photocatalyst (denoted as SnS2/S-CTFs) was developed, which could efficiently adsorb CO2 owing to the CO2-philic feature of S-CTFs and promote separation of photoinduced electron-hole pairs. Under visible-light irradiation, SnS2/S-CTFs exhibited excellent performance for CO2 photoreduction, yielding CO and CH4 with evolution rates of 123.6 and 43.4 mu mol g(-1) h(-1), respectively, much better than the most catalysts reported to date. This inorganic/organic hybrid with direct Z-Scheme structure for visible-light-driven CO2 photoreduction provides new insights for designing photocatalysts with high efficiency for solar-to-fuel conversion.

引用

页码：6278 / 6283

页数：6

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