期刊
JOURNAL OF LUMINESCENCE
卷 226, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jlumin.2020.117420
关键词
NaLa(MoO4)(2); Eu3+ doped; Glass ceramic; Luminescence property
类别
资金
- Project of Jilin Province Science and Technology Department [20190802014ZG]
Eu3+ doped glass ceramics containing NaLa(MoO4)(2) crystallites have been successfully prepared by controlling the crystallization of the as-prepared precursor glass. Differential scanning calorimetry (DSC), X-ray diffraction (XRD) and scanning electron microscope (SEM) results determine that the heat treatment at 620 degrees C for 2 h is optimum. The glass ceramic obtained under the heat treatment condition still maintains a relatively high transmittance in the visible light region, and can reach 80% after testing. The emission intensity results determine that the optimal doping concentration of Eu3+ is 1.4%. By calculating the critical distance, it is confirmed that the concentration quenching is mainly caused by multistage interaction. The chromaticity coordinates (CIE) shows that this luminous color located at the near-red light region, indicating that Eu3+ doped glass ceramics containing NaLa(MoO4)(2) crystallite may be promising as red emitting materials.
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