Photoluminescence properties of a novel red emitting NaLaTi2O6:Eu3+ phosphor

被引：12
作者：
Zhang, Zhi-wei [1 ]
Zhang, He [1 ]
Xu, Meng-na [1 ]
Zong, Xue-nan [1 ]
Han, Fei [1 ]
Ma, Xiao-xue [1 ]
Li, Xiao-qing [1 ]
Wang, Dong-jun [1 ]
机构：
[1] Hebei Normal Univ Sci & Technol, Chem Engn Coll, Qinhuangdao 066600, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2016年 / 27卷 / 01期
关键词：
WHITE-LIGHT; LUMINESCENT PROPERTIES; MORPHOLOGY; OXYNITRIDE; EMISSION;
D O I：
10.1007/s10854-015-3809-2
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel red-emitting phosphor NaLaTi2O6:Eu3+ has been synthesized by a high-temperature solid-state reaction. X-ray powder diffraction analysis and FT-IR spectra confirmed the phase formation of NaLaTi2O6:Eu3+ materials. The photoluminescence excitation and emission spectra, the concentration dependence of the emission intensity, decay curves, and ultraviolet-visible absorption spectroscopy of the phosphor were investigated. The results showed that the phosphor could be efficiently excited by the near ultraviolet light region from 350 to 450 nm, and it exhibited red light emission. The decay time was also determined for various concentrations of Eu3+ in NaLaTi2O6. The calculated color coordinates lies in the red region. Therefore, these obtained results suggest that the prepared phosphors exhibit great potential for use as red emitting phosphor for near ultraviolet white light emitting diodes.
引用
收藏
页码：724 / 729
页数：6
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