Yellow phosphors doping with Gd3+, Tb3+ and Lu3+ in MTiO3 (M = Mg and Sr) luminescence properties

Bulletin of Materials Science

关键词: Phosphors;    Gd3+;    Tb3+ and Lu3+ luminescence;    MgTiO3;    SrTiO3;    XRD;    SEM;    DTA/TG.;   

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

This paper reports Gd3+, Tb3+ and Lu3+ doped MTiO3 (M = Mg and Sr)-based phosphors which were synthesized by the conventional solid-state reaction method, their crystal structures and luminescence properties were investigated. X-ray diffraction patterns (XRD) showed that phosphors sintered at 1000 °C for 2 h were the pure SrTiO3 and MgTiO3 phases. The optimization of reaction conditions was carried out by thermogravimetry and differential thermal analysis (DTA/TG) methods. Surface and elemental analyses were performed by using SEM instrument. The excitation and emission spectra were recorded by a photoluminescence spectrophotometer (PL). The thermoluminescence (TL) properties of MgTiO3:RE (RE = Gd3+, Tb3+, Lu3+) and SrTiO3:RE (RE = Gd3+, Tb3+, Lu3+) were investigated.

【 授权许可】

CC BY