Luminescent properties of YBO3: RE3+(RE=Ce , Tb) in the UV/VU v region

Xiaoxia Zhao, Xiaojun Wang, Baojiu Chen, Weihua Di, Qingyu Meng, Yanmin Yang

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations

Abstract

Ce-, Tb-doped and co-doped YBO3 were prepared by solid-state reaction. The structure of the powder is identified as vaterite-type structure. The photoluminescence of the samples under UV/ VUV excitation were investigated. The results indicate that the energy is transferred between Ce3+ and Tb3+ under UV excitation while Ce3+ is not beneficial to the emission of Tb3+ under VUV excitation due to the different luminescence mechanism. The blue emission of Tb3+ was observed at low Tb3+ concentration and disappeared at high activator concentration due to the relaxation.

Original languageEnglish
Article number60300N
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume6030
DOIs
StatePublished - 2006
EventICO20: Display Devices and Systems - Changchun, China
Duration: Aug 21 2005Aug 26 2005

Keywords

  • Cerium
  • Energy transfer
  • Phosphor
  • Terbium

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