Preparation of ZnGa2S4 by reacting GaI3 and ZnI2 with sulfur


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We have carried out thermodynamic modeling of the GaI3–S and ZnI2–S systems by the method of equilibrium constants and calculated the chemical compositions of the condensed and vapor phases in the temperature range 200–500°C. Our experimental data demonstrate the feasibility of preparing zinc thiogallate by reacting gallium(III) iodide and zinc(II) iodide with sulfur. Synthesis was carried out at a temperature of 450°C over a period 2 h, followed by calcination of the product at 650°C in order to remove the residual iodine. The practical ZnGa2S4 yield was 92–94%.

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A. Velmuzhov

Devyatykh Institute of Chemistry of High-Purity Substances

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Email: velmuzhov.ichps@mail.ru
俄罗斯联邦, ul. Tropinina 49, Nizhny Novgorod, 603950

M. Sukhanov

Devyatykh Institute of Chemistry of High-Purity Substances

Email: velmuzhov.ichps@mail.ru
俄罗斯联邦, ul. Tropinina 49, Nizhny Novgorod, 603950

A. Suchkov

Devyatykh Institute of Chemistry of High-Purity Substances

Email: velmuzhov.ichps@mail.ru
俄罗斯联邦, ul. Tropinina 49, Nizhny Novgorod, 603950

M. Churbanov

Devyatykh Institute of Chemistry of High-Purity Substances

Email: velmuzhov.ichps@mail.ru
俄罗斯联邦, ul. Tropinina 49, Nizhny Novgorod, 603950

E. Tyurina

Devyatykh Institute of Chemistry of High-Purity Substances

Email: velmuzhov.ichps@mail.ru
俄罗斯联邦, ul. Tropinina 49, Nizhny Novgorod, 603950

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