Journal
INORGANIC CHEMISTRY
Volume 39, Issue 19, Pages 4237-4239Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic991332b
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The synthesis of SnSe was systematically investigated in various alkaline media and at various temperatures with SnCl2.2H(2)O and selenium as source materials. The basicity of the alkaline media and the reaction temperature are two key factors considered in our process. The synthesis of SnSe in sodium hydroxide solution and aqueous ammonia is limited to a narrow temperature range, while the synthesis in hydrazine hydrate and ethylenediamine proceeds over a wider range. The final products were characterized by X-ray diffraction pattern (XRD), energy dispersive X-ray (EDX), and transmission electron microscopy (TEM). TEM results showed a variation of crystal morphology of SnSe obtained in different media. Two simple chemical mechanisms for the formation of SnSe are presented.
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