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dc.contributor.authorS. Tongpengen_US
dc.contributor.authorT. Sarakonsrien_US
dc.contributor.authorH. Kurataen_US
dc.contributor.authorY. Shinodaen_US
dc.description.abstractCopper gallium diselenide (CuGaSe2) nanopowder is a p-type semiconductor potentially for use as a thermoelectric material. Nanoparticles of CuGaSe2 were synthesized by a microwave method using Cu(NO 3)2 • 3H2O, Ga2(SO 4)3 and SeO2as precursors and ethylene glycol as a solvent. A preparative parameter for the synthesis of CuGaSe2 was a pH value, which varied from 5, 6, 7, 8 to 9. The reaction time in the microwave oven was carried out for 50 seconds; stopped for 3 minutes, 17 cycles at a power of 1100 Watts. From the characterization of product powders by X-ray diffraction, scanning electron microscopy and transmission electron microscopy techniques, it was found that CuGaSe2 powder was successfully synthesized at pH 6. The CuGaSe2 phase was observed to occur as the main phase with CuSe contaminant. However, the CuSe impurity was decreased when annealed at 560 °C in a nitrogen gas atmosphere for 1 and 3 hours.en_US
dc.subjectMaterials Scienceen_US
dc.titleSynthesis and characterization of CuGaSe2 nanoparticles prepared by a microwave methoden_US
article.title.sourcetitleJournal of Ceramic Processing Researchen_US
article.volume14en_US Mai Universityen_US Universityen_US
Appears in Collections:CMUL: Journal Articles

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