Creating cdte nanoclusters in SiO2/Si track templates with the use of two electrolyte types

Abstract

This paper presents the results of the study of CdTe nanoclusters prepared by electrochemical deposition using sulphate and chloride solutions. The SiO2/Si track templates were used as nanoporous templates. The а-SiO2/Si-n track template was obtained by irradiation with xenon ions with an energy of 200 MeV, with fluences of 107–108 ions/cm2. The surface of the deposited samples was examined using scanning electron microscopy. To identify the crystal structure of CdTe nanoclusters, an X-ray structural analysis was carried out to form cadmium telluride nanocrystals of the hexagonal phase (wurtzite) together with the amorphous phase. Calculations of crystallite sizes showed that annealing CdTe samples at 100°C leads to changes in nanocrystallites and to increase in the degree of crystallinity with the dominance of the amorphous phase.This paper presents the results of the study of CdTe nanoclusters prepared by electrochemical deposition using sulphate and chloride solutions. The SiO2/Si track templates were used as nanoporous templates. The а-SiO2/Si-n track template was obtained by irradiation with xenon ions with an energy of 200 MeV, with fluences of 107–108 ions/cm2. The surface of the deposited samples was examined using scanning electron microscopy. To identify the crystal structure of CdTe nanoclusters, an X-ray structural analysis was carried out to form cadmium telluride nanocrystals of the hexagonal phase (wurtzite) together with the amorphous phase. Calculations of crystallite sizes showed that annealing CdTe samples at 100°C leads to changes in nanocrystallites and to increase in the degree of crystallinity with the dominance of the amorphous phase.