Investigation of optical and physical properties of zinc sodium bismuth borate glass system

Abstract

A glass system with composition xZnO-(15-x)Na2O-15Bi2O3-70B2O3 (where x=0, 6, 8, 10, 12 mol %) have been prepared by conventional melt quenching technique in order to investigate the some physical and optical properties with impact of ZnO in the sodium bismuth borate glasses. The optical analysis of glass system is carried out by UV-Vis spectroscopic measurement technique. The optical study reveal that cut off wavelength and Urbach energy decreases while optical band gap increases with the addition of ZnO content. Further, the compositional dependence of different physical and optical parameters such as ion concentration, polaron radii, inter nuclear distance, molar refraction, molar polarizability, reflection loss, metallization criterion, refractive index and dielectric constant have also been evaluated.