XRD and 119Sn Mössbauer spectroscopy characterization of SnSe obtained from a simple chemical route
2005
Abstract Crystalline tin selenide semiconductor was synthesized by a chemical route. Selenium powder reacted with potassium boronhydride, giving a soluble selenium species potassium seleniumhydride. The reaction of potassium seleniumhydride with tin chloride produced crystalline tin selenide, which was characterized by X-ray diffraction, 119 Sn Mossbauer spectroscopy and scanning electronic microscopy. The material was thermally treated, in nitrogen flow, at 300 and 600 °C for 2 h and the particle size evolution was studied by X-ray diffraction. The X-ray diffraction and 119 Sn Mossbauer results showed that a mixture of tin oxides and orthorhombic tin selenide was obtained.
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