Design of earth-abundant Z-scheme g-C3N4/rGO/FeOOH ternary heterojunctions with excellent photocatalytic activity

被引：23

作者：

Arif, Nayab ^{[1
]}

Wang, Zhao-Xu ^{[1
]}

Wang, Yan-Tao ^{[1
]}

Dou, Yi-Chuan ^{[1
]}

Li, Kui ^{[1
]}

Liu, Shi-Quan ^{[1
]}

Liu, Fu-Tian ^{[1
]}

机构：

[1] Univ Jinn, Sch Mat Sci & Engn, Jinan 250022, Peoples R China

来源：

CRYSTENGCOMM | 2021年 / 23卷 / 09期

基金：

中国国家自然科学基金;

关键词：

CARBON NITRIDE NANOSHEETS; REDUCED GRAPHENE OXIDE; HYDROGEN-PRODUCTION; H-2; PRODUCTION; G-C3N4; HETEROSTRUCTURES; EVOLUTION; COMPOSITE; NANOPARTICLES; FABRICATION;

D O I：

10.1039/d1ce00045d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Iron is one of the most abundant elements on the surface of the earth (5.1%), but is rarely used for photocatalytic hydrogen production due to its unsuitable band structure. Herein, a ternary Z-scheme g-C3N4/rGO/FeOOH heterostructure photocatalyst for hydrogen production was designed and fabricated. Due to its narrow bandgap and a low oxygen evolution overpotential of FeOOH, the Z-scheme g-C3N4/rGO/FeOOH ternary heterojunction exhibited excellent photocatalytic hydrogen production with the yields of 124.9 and 869.8 mu mol h(-1) g(-1) (244.9 and 107.4 times larger than that of pristine g-C3N4) under visible and UV-visible light irradiation, respectively. This work could expand the usage of the earth-abundant element for solar energy conversion and provide a new viewpoint for the development of high-performance photocatalysts through a rational design of the component of the heterostructure.

引用

页码：1991 / 1998

页数：8

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