Construction of NH2-MIL-125(Ti)/CdS Z-scheme heterojunction for efficient photocatalytic H2 evolution

被引：116

作者：

Zhang, Xiaohui ^{[1
]}

Chen, Zhiwei ^{[1
]}

Luo, Ying ^{[1
]}

Han, Xiaole ^{[1
]}

Jiang, Qingqing ^{[1
]}

Zhou, Tengfei ^{[1
]}

Yang, Haijian ^{[1
]}

Hu, Juncheng ^{[1
]}

机构：

[1] South Cent Univ Nationalities, Sch Chem & Mat Sci, Hubei Key Lab Catalysis & Mat Sci, Wuhan 430074, Peoples R China

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2021年 / 405卷

基金：

中国国家自然科学基金;

关键词：

Photocatalysis; Heterojunction; Hydrogen production; Photoelectrochemical property; METAL-ORGANIC-FRAMEWORKS; MESOPOROUS PHOTOCATALYST; HYDROGEN-PRODUCTION; QUANTUM DOTS; CARBON; CDS; DEGRADATION; MECHANISM; WATER; CO2;

D O I：

10.1016/j.jhazmat.2020.124128

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Designing efficient semiconductor-based photocatalysts for hydrogen production is a challenging but promising prospect in energy conversion. Herein, a novel Z-scheme CdS/NH2-MIL-125(Ti) heterojunction is successfully fabricated through a facile solvethermal method. The detailed characterizations reveal that CdS nanoparticles are in-suit archored on NH2-MIL-125(Ti) nanoplates. Benefited from the intrinsic band alignment and intimate contact of two species, this established structure gives a positive effect regarding charge separation. In consequence, the optimal CdS/NH2-MIL-125(Ti) nanocomposites exhibit excellent photocatalytic performance with hydrogen evolution rate of 6.62 mmol.h(-1).g(-1) under visible light illumination, which was 3.5 times higher than that of the pristine CdS. We believe that this work will provide a new avenue to develop high-efficiency heterojunction catalyst for solar-driven energy conversions and other application.

引用

页数：9

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