Synthesis of BaAl2S4:Eu phosphor using BaS:Eu precursor prepared by the polymerizable complex method

Valery Petrykin, Masato Kakihana

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In this study we introduce a two-step strategy for the synthesis of BaAl2S4:Eu bulk samples. The first step involves synthesis of a BaS:Eu intermediate by a sol-gel/polymerizable complex method, which provides a highly homogenous distribution of Eu in the BaS. The second step involves solid-state reaction between the BaS:Eu intermediate with Al 2S3 in an ampoule at high temperature. It was found that phase purity increases with increasing synthesis temperature and almost single-phase samples can be obtained at above 900°C. However, BaAl 2S4:Eu samples synthesized at lower temperatures produced more intense emission. To the best of our knowledge, this is the first time a solution method has been used in the preparation of BaAl2S 4:Eu.

Original languageEnglish
Pages (from-to)615-618
Number of pages4
JournalJournal of the Ceramic Society of Japan
Volume115
Issue number1346
DOIs
Publication statusPublished - 2007 Oct

Keywords

  • Ampoule synthesis
  • Electroluminescent material
  • Polymerizable complex method
  • Solution method

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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