NiSe2/Cd0.5Zn0.5S as a type-II heterojunction photocatalyst for enhanced photocatalytic hydrogen evolution

被引：70
作者：
Zhang, Xue [1 ]
Cheng, Zhiwei [1 ]
Deng, Puhui [1 ]
Zhang, Linping [1 ]
Hou, Yu [1 ,2 ]
机构：
[1] Donghua Univ, Coll Chem Chem Engn & Biotechnol, Key Lab Sci & Technol Ecotext, Minist Educ, Shanghai 201620, Peoples R China
[2] Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2021年 / 46卷 / 29期
基金：
中国国家自然科学基金;
关键词：
Nickel selenide; Cd0.5Zn0.5S; Hydrogen evolution; Photocatalyst; Type-II heterojunction; H-2; EVOLUTION; CDS NANORODS; IN-SITU; EFFICIENT; NISE2; HETEROSTRUCTURE; COMPOSITE; WATER; CONSTRUCTION; SEPARATION;
D O I：
10.1016/j.ijhydene.2021.02.018
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：
A designed type-II heterojunction photocatalyst, NiSe2/Cd0.5Zn0.5S (NiSe2/CZS), was successfully synthesized and it exhibits outstanding photocatalytic hydrogen evolution performance. The optimal loading amount of NiSe2 on Cd0.5Zn0.5S is 13 wt %, and the corresponding hydrogen production rate is approximately 121.01 mmol g(-1) h(-1) under visible light. The heterojunction structure between Cd0.5Zn0.5S and NiSe2 promoted the separation of photogenerated electron-hole pairs, effectively suppressed the photo generated carrier recombination and endowed the material with excellent interfacial charge transfer properties, thus improving the photocatalytic performance. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：15389 / 15397
页数：9
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