期刊
DESALINATION AND WATER TREATMENT
卷 92, 期 -, 页码 108-115出版社
DESALINATION PUBL
DOI: 10.5004/dwt.2017.21355
关键词
Hydrothermal synthesis; SnS2 nanocrystals; LED light; Photocatalytic activity; 2,4,6-Trichlorophenol
资金
- SQU-Internal Grant research project [IG/SCI/CHEM/17/05]
- National Natural Science Foundation of China [51602207]
- National Research Foundation of Korea [NRF-2017R1A2B4001829]
In this study, SnS2 nanocrystals with controlled morphology were successfully synthesized by a simple hydrothermal method using thiosemicarbazide both as a sulfur source and as a capping agent. The X-ray powder diffraction analysis confirmed the hexagonal phase of these as-prepared SnS2 nanocrystals. Morphological features were studied by field-emission scanning electron microscopy, indicating that the as-prepared SnS2 crystals were nanoparticles. The optical property was studied by ultraviolet-visible diffused reflectance spectroscopy, indicating that the bandgap of SnS2 samples is similar to 2.2 eV. Under white LED light irradiation (lambda = 450 nm), the as-prepared SnS2 nanocrystals exhibited a high photocatalytic activity for degrading 2,4,6-trichlorophenol solution. This work suggests that SnS2 nanocrystal is a potential photocatalyst for detoxification.
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