Synthesis and Characterization of CuInS₂ and CuInSe₂ Compounds by Vacuum Sintering Method

Abstract:

We report herein synthesis and characterization of CuInS₂ and CuInSe₂ compounds by vacuum sintering method. In this study, the manual-milled and ball-milled precursors including copper, indium, and sulfur (selenium) elements were sintered under vacuum at different temperatures for synthesis of CuInS₂ and CuInSe₂ compounds, respectively. The crystal structure, morphology and Raman property of the sintered powder were investigated by X-ray diffraction, scanning electron microscope and Raman scattering spectroscopy, respectively. The results show that the structure of the products, which was sintered with the manual-milled and ball-milled precursors, were transformed into the single chalcopyrite phase CuInS₂ powder at 923K and 623K, and the grain size are about 2～3μm and 250 nm, respectively. In addition, the CuInSe2 powder was synthesized about 723K via using the ball-milled powder including copper, indium, and selenium elements as the precursor.

• Periodical: Advanced Materials Research (Volume 304)
• Pages: 119-123
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.304.119
• Online since: July 2011
• Authors: Zhen Dong Wang, Zhen Quan Lai, Guo Rong Chen
• Keywords: CuInS₂ Compound, CuInSe₂ Compound, Raman Property, Vacuum Sintering Method

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