Solvothermal Synthesis of Sphere-Like ZnS Microparticles and Its Visible-Light Catalytic Properties
The cauliflower-like ZnS microspheres consisting of the nanospheres were prepared via one step template-free approach employing a solvothermal process using Zn(NO3)2ยท6H2O and CH4N2S as precursors in the mixture solution.
The morphology, structure characterization, and crystal structure of the as-prepared ZnS were performed by X-ray diffraction, scanning electron microscopy, UV-visible absorption, and X-ray photoelectron spectroscopy. The results showed that cauliflowerlike ZnS microspheres were prepared under
this condition and the size of the particles were about 3~5 μm. In addition, the excellent photocatalytic activity and degradation mechanism of ZnS microspheres have been investigated and discussed in detail. The degradation of Rhodamine B (RhB) aqueous solution was carried out to
investigate the visible-light catalytic activity under metal halide lamp. The results indicated that different size of ZnS had photocatalytic activity to RhB under visible light, and sphere-like ZnS displayed high photodegradation efficiency with degradation rate of 98% within 140 min.
Keywords: Photocatalysis; Solvothermal Method; ZnS Microspheres
Document Type: Research Article
Affiliations: School of Chemistry and Chemical Engineering, Yulin University, Yulin 719000, China
Publication date: 01 February 2018
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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