Paper Title:
Influences of Eu2+ and Dy3+ Contents on the Properties of Long Afterglow Strontium Aluminate Phosphors
  Abstract

The detailed preparation process of Eu2+ and Dy3+ ion co-doped phosphor powders in Sr4Al14O25:Eu2+/Dy3+ phosphor system with bluish-green long afterglow produced by solid state reaction method under reducing atmosphere is here reported. X-ray diffraction (XRD), scanning electron microscopy (SEM), and particle size analysis were made to assign the effects of Eu and Dy ions on the luminescent properties of the synthesized phosphors, which were determined by measuring the photoluminescence spectra. The maximum emission intensity of these phosphors under excitation was investigated. As a result, the relevant values were obtained from the phosphorescent pigment with 0.21% and 0.05% molar percent of Eu2+ and Dy3+.

  Info
Periodical
Edited by
Pietro VINCENZINI and Jean-François BAUMARD
Pages
88-94
DOI
10.4028/www.scientific.net/AST.62.88
Citation
S. Y. Kaya, B. Karasu, G. Kaya, E. Karacaoğlu, "Influences of Eu2+ and Dy3+ Contents on the Properties of Long Afterglow Strontium Aluminate Phosphors", Advances in Science and Technology, Vol. 62, pp. 88-94, 2010
Online since
October 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Ping Zhang, Ming Xia Xu, Jin Wei Zhao, Yu Xing Qin, Yi Wei Lv
Abstract:A new red afterglow phosphor Sr3Al2O6: Eu2+, Dy3+ was synthesized by solid-state reaction and sintered at 1150°C for 2h in reducing...
616
Authors: Bi Sang Chen, Li Fang Chen, Hua Lin, Guo Liang Chen, Zi Shan Zheng, Heng Lin, Hong Xu Guo, Zhong Hui Chen, Ling Feng Huang, Wen Hua Zhou
Chapter 1: Materials Science and Engineering
Abstract:A new afterglow green phosphor of Zn2SiO4: Mn2+, Zr4+ was prepared by high temperature...
503
Authors: Zhe Kong, Hong Bo Wang, Er Pan Zhang, Tao Qiu, Jun Zhang, Zhen Guo Ji
Chapter 6: Chemical Physics
Abstract:Dy3+ doped blue-green Eu2+ doped strontium aluminate (Sr4Al14O25:Eu2+)...
562