Metal sulfides and metal sulfide iodides are formed from the reactions of metals and metalloids in a low melting flux mixture of sulfur and iodine. Addition of iodine to sulfur lowers its melting point and viscosity, producing a melt that can be used as a low temperature reactive solvent toward most metals. The S/I2 flux syntheses of copper sulfides, tin sulfides, and bismuth sulfide iodides were investigated using both furnace and microwave heating, exploring the effects of reaction time and temperature. The unusual temperature regimes of this synthesis method allow for the isolation of metastable phases such as Bi19S27I3.

Synthesis of metal sulfides in sulfur/iodine flux using furnace or microwave reactions

249th National Meeting (2015)

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