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International Journal of Thin Film Science and Technology

International Journal of Thin Film Science and Technology

Abstract

A well adherent nanocrystalline thin film of cadmium selenide (CdSe) has been successfully deposited from chemical bath containing cadmium acetate, tartaric acid, ammonia and sodium selenosulphate, at a bath temperature of 85 0C and a pH of 9.5. The films were characterized using a variety of techniques. Powder X-ray diffraction revealed a cubic phase of CdSe nanocrystalline thin film with preferred orientation along the (111) plane. The SEM micrographs showed the film surface was composed of spherically shaped grains over the entire glass substrate. The elemental composition of the thin film was confirmed by energy dispersive X-ray spectroscopy. The optical band gap energy was found to be 1.86 eV.

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