Insight the Luminescence Properties of AlON: Eu, Mg Phosphor under VUV Excitation

Xian Jian; Hui Wang; Ming-Hsien Lee; Wei Tian; Guo-Zhang Chen; Wen-Qiao Chen; Wei-Wei Ji; Xin Xu; Liang-Jun Yin

doi:10.3390/ma10070723

Insight the Luminescence Properties of AlON: Eu, Mg Phosphor under VUV Excitation

Materials (Basel). 2017 Jun 29;10(7):723. doi: 10.3390/ma10070723.

Authors

Xian Jian¹, Hui Wang², Ming-Hsien Lee³, Wei Tian⁴, Guo-Zhang Chen⁵, Wen-Qiao Chen⁶, Wei-Wei Ji⁷, Xin Xu⁸, Liang-Jun Yin⁹

Affiliations

¹ School of Energy Science and Engineering, University of Electronic Science and Technology of China, 2006 Xiyuan Road, Chengdu 611731, China. jianxian@uestc.edu.cn.
² School of Energy Science and Engineering, University of Electronic Science and Technology of China, 2006 Xiyuan Road, Chengdu 611731, China. 15520760583@163.com.
³ Department of Physics, Tamkang University, Tamsui, New Taipei 25137, Taiwan. mhslee@mail.tku.edu.tw.
⁴ School of Energy Science and Engineering, University of Electronic Science and Technology of China, 2006 Xiyuan Road, Chengdu 611731, China. 15528127896@163.com.
⁵ School of Physics, University of Sydney, Sydney, NSW 2006, Australia. chengz910624@gmail.com.
⁶ School of Energy Science and Engineering, University of Electronic Science and Technology of China, 2006 Xiyuan Road, Chengdu 611731, China. cwq_uestc@126.com.
⁷ Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China. benjee@mail.ustc.edu.cn.
⁸ Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China. xuxin@ustc.edu.cn.
⁹ School of Energy Science and Engineering, University of Electronic Science and Technology of China, 2006 Xiyuan Road, Chengdu 611731, China. ylj@mail.ustc.edu.cn.

Abstract

Owing to high quantum efficiency, adjustable composition and antioxidation properties of oxynitride phosphors, extensive investigations have focused on their photoluminescence properties under low-energy light excitation (UV or blue light). However, the vacuum ultraviolet (VUV) luminescence properties of oxynitride phosphors are rarely researched. Present work studies the structure and VUV luminescence properties of an oxynitride phosphor: AlON: Eu, Mg, which is synthesized by solid-state reaction. Under 147 nm excitation, it was found that AlON: Eu, Mg phosphor shows a blue emission band centered at about 470 nm. The first principle calculation is used to analyze the origin of the VUV absorption. Compared with BaMgAl₁₀O₁₇: Eu²⁺ phosphor, AlON: Eu, Mg phosphor shows better thermal stability.

Keywords: AlON; VUV luminescence; first-principle calculation; thermal stability.