New Method of Synthesis of ZnSe2O5 Nanocrystals

Abstract

The paper presents the results of an experimental and theoretical study of zinc diselenide nanocrystals obtained by electrochemical deposition in а-SiO2/Si-n track template. The track template SiO2/Si was obtained by irradiation on a DC-60 cyclotron with Xe ions with an energy of 200 MeV (Φ = 10 8 ions/cm2) followed by chemical etching in an aqueous solution of hydrofluoric acid (HF). Electrochemical deposition (ECD) in the track template was carried out in potentiostatic mode. The surface of the samples after deposition was examined using a JSM 7500F scanning electron microscope. X-ray diffraction analysis (XRD) was performed using a D8 ADVANCE ECO X-ray diffractometer. According to X-ray diffraction data, electrodeposition of zinc in the a-SiO2/Si-n track template led to the formation of ZnSe2O5 nanocrystals with an orthorhombic crystal structure. The experimental parameters of the crystal lattice, the density of the crystal, the effective charge, and the population of the chemical bond are in good agreement with the results of quantum chemical calculations performed in the approximation of linear combinations of atomic orbitals and other literature data.