Preparation and optical properties of Er³⁺: Na₂O-Al₂O₃-SiO₂ transparent glass-ceramics

Abstract

Na₂O-Al₂O₃-SiO₂ glass-ceramics doped with Er³⁺ ions were synthesized by the conventional melt quenching technique at a low melting temperature. The samples were characterized by differential scanning calorimetry (DSC), X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-vis-NIR scanning spectrophotometry, and fluorescence spectrometry. The results show that the main crystalline phase of glass-ceramics is nepheline.The best heat-treatment process is at 520 °C for 2 h. Because the up-conversion luminescence and near infrared luminescence properties of glass doped with Eu³⁺ are studied in detail.

Keywords

Na₂O-Al₂O₃-SiO₂ / Er³⁺ ions / glass-ceramics / up-conversion&NIR luminescence

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