研究目的
To synthesize flower-like β-In2S3 microparticles via a solvothermal process and characterize their microstructure and optical properties.
研究成果
Flower-like β-In2S3 microparticles were successfully synthesized, with particle size and crystallinity increasing with reaction time. The method could be generalized for other metal-sulphide compounds.
研究不足
The study focuses on the synthesis and characterization of β-In2S3 microparticles without exploring their application in devices or comparing with other synthesis methods.
1：Experimental Design and Method Selection
Solvothermal synthesis using acetylacetone-water solvent mixture at 180 °C for 12-18 h.
2：Sample Selection and Data Sources
Indium(III) chloride and thiourea were used as precursor materials. Samples were named I, II, III based on reaction times of 10, 12, and 18 h, respectively.
3：List of Experimental Equipment and Materials
Teflon-lined stainless steel autoclave, X-ray diffractometer (Seifert, 3000P), SEM (Hitachi, S-2300), spectrophotometer (Hitachi U-3410).
4：Experimental Procedures and Operational Workflow
Precursors were mixed in a solvent, heated in an autoclave, cooled, washed, dried, and characterized.
5：Data Analysis Methods
XRD for crystallinity, SEM for morphology and particle size, reflectance spectra for optical band gap.
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