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Electronic Materials Letters

, Volume 15, Issue 1, pp 18–26 | Cite as

The Luminescence Properties and Thermal Stability of a Green-Blue Color Tunable Sr2SiO4:Tb3+, Ce3+ Phosphor

  • Tianpeng Yu
  • Lixi WangEmail author
  • Xiaojuan Yang
  • Wenhao Ding
  • Qitu Zhang
Article
  • 72 Downloads

Abstract

In this paper, green-blue emitting Sr2SiO4 (SSO):0.03Tb3+, xCe3+ (x = 0–0.005) materials were synthesized via a solid-state reaction method. The crystal structures, luminescence properties, decay time, and thermal stability were measured in this work. The as-prepared phosphors exhibit both an indigo emission of Ce3+ and green emission of Tb3+ with considerable intensity (λex= 300 nm). Tb3+ ion emission was intensified obviously with co-doping Ce3+. The luminescence spectra of Sr2SiO4 (SSO):0.03Tb3+, Ce3+ shows characteristic line of Tb3+ ion transition (5D4 → 7F5). Tunable green-blue color can be obtained by the addition of Ce3+ ions. An effective energy transfer process between Tb3+ and Ce3+ was supposed and confirmed from decay curves. In addition, the energy transfer mechanism from Ce3+ to Tb3+ ions in the Sr2SiO4 (SSO) host is electric multipolar interaction. Sr2SiO4 (SSO):Tb3+, Ce3+ phosphor exhibits good thermal stability, the quantum yield was about 43.67%, indicating a potential candidate for solid-state lighting.

Graphical Abstract

Sr2SiO4:Tb3+, Ce3+ phosphor can obtain tunable green-blue emission based on the energy transfer between Ce3+ and Tb3+ ion. Almost 90% of the luminescence intensity of SSO:0.03Tb3+, 0.003Ce3+ phosphor was retained after an increase in temperature to 200 °C.

Keywords

Sr2SiO4:Tb3+, Ce3+ Energy transfer Thermal stability Phosphors Tunable green-blue color 

Notes

Acknowledgements

The authors acknowledge the generous financial support from Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP, PPZY2015B128) and National Natural Science Foundation of China (51202111).

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Copyright information

© The Korean Institute of Metals and Materials 2018

Authors and Affiliations

  • Tianpeng Yu
    • 1
  • Lixi Wang
    • 1
    • 2
    Email author
  • Xiaojuan Yang
    • 1
  • Wenhao Ding
    • 3
  • Qitu Zhang
    • 1
    • 2
  1. 1.College of Materials Science and EngineeringNanjing Tech UniversityNanjingChina
  2. 2.Jiangsu Collaborative Innovation Center for Advanced Inorganic Function CompositesNanjingChina
  3. 3.Institute 53 of China’s Ordnance IndustryJinanChina

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