Photoluminescence properties and thermal stability of samarium-doped barium phosphate phosphors

被引：33

作者：

Chiang, Chung-Hao ^{[1
]}

Fang, Ying-Chien ^{[2
]}

Lin, Han-Yu ^{[1
]}

Chu, Sheng-Yuan ^{[1
,3
,4
]}

机构：

[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 70101, Taiwan

[2] Natl Cheng Kung Univ, Dept Mat Sci & Engn, Tainan 70101, Taiwan

[3] Natl Cheng Kung Univ, Ctr Micro Nano Sci & Technol, Tainan 70101, Taiwan

[4] Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Tainan 70101, Taiwan

来源：

CERAMICS INTERNATIONAL | 2017年 / 43卷 / 05期

关键词：

Sm3+ activator; Orange-red emission; Phosphor-converted white light-emitting diodes (pc-WLEDs); LIGHT-EMITTING-DIODES; ENERGY-TRANSFER; LUMINESCENCE PROPERTIES; EMISSION; LIFETIME; SM3+; GAN;

D O I：

10.1016/j.ceramint.2016.12.080

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper, Sm3+-doped Ca6BaP4O17 phosphors were synthesized via a conventional solid-state reaction method. Orange-red emission was observed from these phosphors under near-ultraviolet (UV) excitation at 405 nm. The luminescence properties of the obtained phosphors were characterized. The Ca6BaP4O17:Sm3+ phosphor can be efficiently excited by near-UV and blue light, and their emission spectrum consists of three emission peaks, at 567, 602, and 650 nm, respectively. The thermal stability of Ca6BaP4O17:Sm3+ phosphors was investigated systematically and corresponding mechanisms were proposed. Based on the results, the as prepared Ca6BaP4O17:Sm3+ phosphors are promising orange-red-emitting phosphors for near-UV-based white light-emitting diodes.

引用

页码：4353 / 4356

页数：4

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