Effect of Eu3+ contents on the structure and properties of BaLa2ZnO5:Eu3+ phosphors

Chongfeng Guo*, Jie Yu, Jung Hyun Jeong, Zhaoyu Ren, Jintao Bai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

A series of Eu3+ doped BaLa2ZnO5 was prepared by a Pechini-type solgel method. The effect of Eu3+ concentration on the structure and the luminescent properties of the samples BaLa2-xEuxZnO5 were investigated by powder X-ray diffraction (XRD) and photoluminescence (PL) spectra. The sample adopts the tetragonal or orthorhombic structure as the Eu3+ concentration reaches below 1.2 or over 1.6, respectively. The sample is a mixture of tetragonal and orthorhombic phases as the contents of dopants lie between 1.2 and 1.6. The phosphor offers the strongest red light as content of Eu 3+ is 0.4. In addition, the crystallization processes of the complex precursors were examined by simultaneous thermogravimetry and differential thermal analysis (TGDTA), and also the optimal heating temperature was investigated.

Original languageEnglish
Pages (from-to)916-920
Number of pages5
JournalPhysica B: Condensed Matter
Volume406
Issue number4
DOIs
Publication statusPublished - Feb 2011

Keywords

  • Luminescence
  • Phosphors
  • Solgel process

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