Preparation and photoluminescence of SrAlwO4:Eu2+,Dy3+ enamel coatings

Xiyan Zhang; Fengxia Yu; Guang Cheng; Zhaohui Bai; Hongzhi Sun; Xiaochun Wang; Liping Lu; Yu Guo; Xia Zhang

doi:10.1117/12.483111

17 September 2002 Preparation and photoluminescence of SrAl₂O₄:Eu²⁺,Dy³⁺ enamel coatings

Xiyan Zhang, Fengxia Yu, Guang Cheng, Zhaohui Bai, Hongzhi Sun, Xiaochun Wang, Liping Lu, Yu Guo, Xia Zhang

Proceedings Volume 4918, Materials, Devices, and Systems for Display and Lighting; (2002) https://doi.org/10.1117/12.483111
Event: Photonics Asia, 2002, Shanghai, China

Abstract

In this paper, we prepared SrAl₂O₄:Eu²⁺,Dy³⁺ long persistence phosphorescence enamel coatings by using SrAl₂O₄:Eu²⁺,Dy³⁺ phosphor powders and glass frits and organic vehicle. The glass frits were specially prepared to fit the SrAl₂O₄:Eu²⁺,Dy³⁺. The prepared phosphorescence enamels were found to have very bright long lasting phosphorescence after being excited by the ordinary fluorescent lamp or sunlight. The emission can be seen even 12h after removal of the exciting soruce. The emission shows a broad band peaking at 520nm resulted from the transition of 4f-5d of Eu²⁺ ions in SrAl₂O₄:Eu²⁺,Dy³⁺. The phosphorescence enamels can be used as energy saving display in various applications.

Citation Download Citation

Xiyan Zhang, Fengxia Yu, Guang Cheng, Zhaohui Bai, Hongzhi Sun, Xiaochun Wang, Liping Lu, Yu Guo, and Xia Zhang "Preparation and photoluminescence of SrAl₂O₄:Eu²⁺,Dy³⁺ enamel coatings", Proc. SPIE 4918, Materials, Devices, and Systems for Display and Lighting, (17 September 2002); https://doi.org/10.1117/12.483111

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