An efficient NiS-ReS2/CdS nanoparticles with dual cocatalysts for photocatalytic hydrogen production

被引：1
作者：
Song, Tao [1 ]
Wang, Junwen [1 ]
Su, Lei [1 ]
Zhao, Hang [1 ]
Liu, Yanling [1 ]
Tu, Weixia [1 ]
机构：
[1] Beijing Univ Chem Technol, Coll Chem Engn, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2024年 / 79卷
基金：
中国国家自然科学基金;
关键词：
Photocatalyst; Hydrogen production; Ternary composite; Dual Z-scheme path; Heterojunction; NANOFLOWERS HETEROSTRUCTURE NANOCOMPOSITE; HIGHLY EFFICIENT; H-2; EVOLUTION; CDS;
D O I：
10.1016/j.ijhydene.2024.07.074
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：
The construction of heterojunctions is one of efficacious ways to improve the charge transfer and suppress the recombination of photoexcited electron-hole pairs for enhancing reactive activities of photocatalysts. Ternary NiS-ReS2/CdS 2 /CdS composites are synthesized via a one-step hydrothermal method and the heterojunction nano- structures are achieved. The NiS-ReS2/CdS 2 /CdS photocatalyst exhibits the superior photocatalytic activity with a hydrogen production rate up to 139 mmol g- 1 h- 1 , which is much higher than binary composites and pure CdS. The contributions of the dual cocatalysts NiS and ReS2 2 are verified to narrower bandgaps, lower resistances and increase photocurrent density of NiS-ReS2/CdS, 2 /CdS, promoting the absorption of visible light and the migration of photoinduced electrons. The NiS-ReS2/CdS 2 /CdS heterostructures provide a possible dual Z-scheme path for the rapid transfer of electrons. The tailoring of the dual cocatalysts is effective to improve the photocatalytic hydrogen production.
引用
收藏
页码：876 / 882
页数：7
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