Study on crystallization behavior of novel silver chloride based chalcogenide glasses

In the present work, samples in composition of (100-x)/2As2S3-(100-x)/2Ag2S-xAgCl (x = 40, 45, 50, 55mol%) were prepared. X-ray diffraction and differential scanning calorimetry under non-isothermal conditions were recorded from which crystalline phases, characteristic thermal temperature, criteria for thermal stability against crystallization and crystallization kinetic parameters are obtained for evaluation of their glass formation and crystallization behaviors. Raman spectroscopy was used in following the structural changes with variation of AgCl content. Thermal treatments were made on amorphous samples under different conditions, and the nonlinear dependence of crystallization behaviors on AgCl content is discussed. Results of the present work obtain the optimal silver chloride based chalcogenide glass composition as the stable membrane material for application in ion-selective electrodes for dual Ag+/Cl− ions determination.