Pure CdTe and CuInSe2 are prepared with high yields and short reaction times starting from metal or binary alloy powders and irradiating the mixture with a microwave radiation of a 2.45 GHz of frequency and 1000 W of power under argon atmosphere. It was possible to successfully synthesize extremely pure CuInSe2 single crystalline phase, differently from a multi-phase mixture as expected from the phase diagram Cu2Se-In2Se3. XRD and SEM analyses, performed for the characterization, have confirmed the success of the process.
Synthesis of binary and ternary semiconductors by means of microwave irradiation / Rizzuti, A.; Leonelli, C.; Sentimenti, E.. - (2007), pp. 178-181. (Intervento presentato al convegno 11th International Conference on Microwave and High Frequency Heating, AMPERE 2007 tenutosi a rou nel 2007).
Synthesis of binary and ternary semiconductors by means of microwave irradiation
Rizzuti A.;Leonelli C.;
2007
Abstract
Pure CdTe and CuInSe2 are prepared with high yields and short reaction times starting from metal or binary alloy powders and irradiating the mixture with a microwave radiation of a 2.45 GHz of frequency and 1000 W of power under argon atmosphere. It was possible to successfully synthesize extremely pure CuInSe2 single crystalline phase, differently from a multi-phase mixture as expected from the phase diagram Cu2Se-In2Se3. XRD and SEM analyses, performed for the characterization, have confirmed the success of the process.
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