Search

Article

x

留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

Investigation on up-conversion luminescence of Tm3+ and Yb3+ codoped oxy-fluorosilicate glass ceramics

Gan Zong-Song Yu Hua Li Yan-Ming Wang Ya-Nan Chen Hui Zhao Li-Juan

Investigation on up-conversion luminescence of Tm3+ and Yb3+ codoped oxy-fluorosilicate glass ceramics

Gan Zong-Song, Yu Hua, Li Yan-Ming, Wang Ya-Nan, Chen Hui, Zhao Li-Juan
PDF
Get Citation
Metrics
  • Abstract views:  4076
  • PDF Downloads:  1310
  • Cited By: 0
Publishing process
  • Received Date:  28 October 2007
  • Accepted Date:  28 January 2008
  • Published Online:  20 September 2008

Investigation on up-conversion luminescence of Tm3+ and Yb3+ codoped oxy-fluorosilicate glass ceramics

  • 1. 南开大学物理科学学院光子学中心,天津 300071,弱光非线性光子学教育部重点实验室(南开大学),天津市信息光子材料与技术重点实验室,天津 300457

Abstract: Two series of Tm3+ and Yb3+codoped oxy-fluorosilicate glass ceramics with the composition of 30SiO2-(20-x-y)Al2O3-40PbF2-10CdF2-xTm2O3-yYb2O3 were prepared and characterized. The up-conversion spectra of the samples were investigated and the up-conversion luminescence mechanisms of Tm3+/Yb3+ system were analyzed. The effects of Tm3+ and Yb3+ concentration on up-conversion luminescence spectra weresystematically studied. The results suggest that blue up-conversion emission intensity decreases when Tm3+ concentration increases due to the cross relaxation interaction between Tm3+ ions. The optimum Tm3+ concentration is 0.025mol%. Three-photon process and Yb3+ ion cooperative up-conversion energy transfer process co-exist in the Tm3+/Yb3+ up-conversion luminescence system. When Yb3+ concentration increases, due to the energy back-transfer process of 3H4(Tm3+)→2F5/2(Yb3+), the blue up-conversion emission intensity would decrease. With the help of Yb3+ ion cooperative up-conversion energy transfer, the blue up-conversion emission intensity actually increases, which is in accordance with the experimental results.

Catalog

    /

    返回文章
    返回