Sustainable Scalable Mechanochemical Synthesis of CdS/Bi2S3 Nanocomposites for Efficient Hydrogen Evolution

被引：0
|
作者：
Shalabayev, Zhandos [1 ,2 ]
Abilkhan, Abylay [1 ,2 ]
Khan, Natalya [1 ,2 ]
Tugelbay, Saparbek [1 ,2 ]
Seisembekova, Anar [1 ]
Tatykayev, Batukhan [2 ]
Balaz, Matej [3 ]
机构：
[1] al Farabi Kazakh Natl Univ, Dept Gen & Inorgan Chem, Alma Ata 050040, Kazakhstan
[2] Nazarbayev Univ, Natl Lab Astana, Astana 010000, Kazakhstan
[3] Slovak Acad Sci, Inst Geotech, Kosice 04001, Slovakia
来源：
NANOMATERIALS | 2024年 / 14卷 / 22期
关键词：
mechanochemistry; ball milling; semiconductor; cadmium sulfide; bismuth sulfide; hydrogen evolution; OPTICAL-PROPERTIES; RAMAN-SPECTRUM; BI2S3; HETEROSTRUCTURE; NANOSTRUCTURES; PHOTOCATALYSTS; NANOPARTICLES; PERFORMANCE; FABRICATION;
D O I：
10.3390/nano14221785
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In the present study, a green, scalable, and environmentally friendly approach was developed for the fabrication of Bi2S3-decorated CdS nanoparticles with an efficient hydrogen generation ability from the water. As a sulfur source, thiourea was used. The process was completed in two stages: mechanical activation and thermal annealing. The presence of spherical CdS nanoparticles and Bi2S3 nanorods in the CdS/Bi2S3 nanocomposite was confirmed and proved by XRD, Raman spectroscopy, SEM-EDS, and TEM. The synthesized CdS/Bi2S3 nanocomposites were evaluated for their photocatalytic hydrogen evolution capabilities. The CdS/Bi2S3 photocatalyst exhibited 25% higher photocatalytic activity compared to CdS, reaching a hydrogen evolution rate of 996.68 mu mol h-1g-1 (AQE 0.87%) after 3.5 h under solar-light irradiation.
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页数：18
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