Carbon nitride assisted 2D conductive metal-organic frameworks composite photocatalyst for efficient visible light-driven H2O2 production

被引：122

作者：

Zhao, Yajie ^{[1
]}

Liu, Yan ^{[1
]}

Wang, Zhenzhen ^{[1
]}

Ma, Yurong ^{[1
]}

Zhou, Yunjie ^{[1
]}

Shi, Xiaofei ^{[1
]}

Wu, Qingyao ^{[1
]}

Wang, Xiao ^{[1
]}

Shao, Mingwang ^{[1
]}

Huang, Hui ^{[1
]}

Liu, Yang ^{[1
]}

Kang, Zhenhui ^{[1
,2
]}

机构：

[1] Soochow Univ, Inst Funct Nano & Soft Mat Lab FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Suzhou 215123, Peoples R China

[2] Macau Univ Sci & Technol, Macao Inst Mat Sci & Engn, Taipa 999078, Macao, Peoples R China

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2021年 / 289卷

基金：

中国国家自然科学基金;

关键词：

Hydrogen peroxide; Metal-organic frameworks; Photocatalytic; Oxygen reduction reaction; Transient photovoltage; HYDROGEN-PEROXIDE; OXYGEN REDUCTION; SOLID-STATE; WATER; NANOSHEETS; HETEROJUNCTION; NANOPARTICLES; O-2; CO2;

D O I：

10.1016/j.apcatb.2021.120035

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：

To overcome the problems existing in the current H2O2 production process, photo-assisted H2O2 production by oxygen reduction was studied extensively. Ni-CAT, a 2D conductive hexagonal MOF, shows great potential for photocatalytic H2O2 production. However, it has not been developed and utilized as the main photocatalyst. Here, we constructed a C3N4 assisted Ni-CAT composite catalyst, which can achieve the H2O2 production by 2e(-) oxygen reduction reaction under visible light. During the reaction process, Ni-CAT is the main active component for oxygen reduction reaction, and the role of C3N4 is to assist Ni-CAT by providing electrons to inhibit its carrier recombination. This work opens up the application of 2D conductive MOFs in photocatalytic H2O2 production and provides a theoretical model for the design of MOFs-based photocatalyst.

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页数：8

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