Construction of LSPR-enhanced 0D/2D CdS/MoO3-x S-scheme heterojunctions for visible-light-driven photocatalytic H2 evolution

被引：333
作者：
Peng, Jinjun [1 ]
Shen, Jun [2 ]
Yu, Xiaohui [1 ]
Tang, Hua [1 ]
Zulfiqar [1 ]
Liu, Qinqin [1 ]
机构：
[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Suzhou Vocat Hlth Coll, Sch Pharm, Suzhou 215009, Jiangsu, Peoples R China
来源：
CHINESE JOURNAL OF CATALYSIS | 2021年 / 42卷 / 01期
基金：
中国国家自然科学基金;
关键词：
CdS MoO3-x; Photocatalytic H-2 evolution; S-scheme; Localized surface plasmon resonance effect; SOLAR OXYGEN EVOLUTION; HYDROGEN-EVOLUTION; CARBON NITRIDE; MODIFIED G-C3N4; EFFICIENT; WATER; PERFORMANCE; DEGRADATION; CONVERSION; NANOSHEETS;
D O I：
10.1016/S1872-2067(20)63595-1
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Plasmonic nonmetal semiconductors with localized surface plasmon resonance (LSPR) effects possess extended light-response ranges and can act as highly efficient H-2 generation photocatalysts. Herein, an LSPR-enhanced 0D/2D CdS/MoO3-x heterojunction has been synthesized by the growth of 0D CdS nanoparticles on 2D plasmonic MoO3-x elliptical nanosheets via a simple coprecipitation method. Taking advantage of the LSPR effect of the MoO3-x elliptical nanosheets, the light absorption of the CdS/MoO3-x heterojunction was extended from 600 nm to the near-infrared region (1400 nm). Furthermore, the introduction of 2D plasmonic MoO3-x elliptical nanosheets not only provided a platform for the growth of CdS nanoparticles, but also contributed to the construction of an LSPR-enhanced S-scheme structure due to the interface between the MoO3-x and CdS, accelerating the separation of light-induced electrons and holes. Therefore, the CdS/MoO3-x heterojunction exhibited higher photocatalytic H-2 generation activity than pristine CdS under visible light irradiation, including under 420, 450, 550, and 650 nm monochromic light, as well as improved photo-corrosion performance. (C) 2021, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
引用
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页码：87 / 96
页数：10
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