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Materials 2017, 10(7), 723; https://doi.org/10.3390/ma10070723

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

1
School of Energy Science and Engineering, University of Electronic Science and Technology of China, 2006 Xiyuan Road, Chengdu 611731, China
2
Department of Physics, Tamkang University, Tamsui, New Taipei 25137, Taiwan
3
School of Physics, University of Sydney, Sydney, NSW 2006, Australia
4
Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
*
Author to whom correspondence should be addressed.
Academic Editors: Jonathan Kitchen and Robert Elmes
Received: 27 April 2017 / Revised: 23 June 2017 / Accepted: 26 June 2017 / Published: 29 June 2017
(This article belongs to the Special Issue Luminescent Materials 2017)
View Full-Text   |   Download PDF [2549 KB, uploaded 29 June 2017]   |  

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. View Full-Text
Keywords: AlON; VUV luminescence; first-principle calculation; thermal stability AlON; VUV luminescence; first-principle calculation; thermal stability
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Jian, X.; Wang, H.; Lee, M.-H.; Tian, W.; Chen, G.-Z.; Chen, W.-Q.; Ji, W.-W.; Xu, X.; Yin, L.-J. Insight the Luminescence Properties of AlON: Eu, Mg Phosphor under VUV Excitation. Materials 2017, 10, 723.

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