Preparation of nonaggregated Y2O3:Eu phosphor particles by spray pyrolysis method

Yun Chan Kang, Seung Bin Park, I. Wuled Lenggoro, Kikuo Okuyama

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93 Citations (Scopus)


Y2O3:Eu phosphor particles were directly prepared by a spray pyrolysis method. Photoluminescence, morphology, and crystallinity of the as-prepared particles were investigated. The as-prepared particles above 600°C had good crystallinity, and the crystallinity increased with increasing reactor temperatures. The particles had spherical morphology and were nonaggregated. The mean size of the particles increased from 0.34 to 1.2 μm when the solution concentration was increased from 0.03 to 1 M. The as-prepared particles had good red emission without annealing at high temperatures when excited with uv light. The main emission peak was 612 nm. The brightness of the as-prepared particles increased with increasing temperatures because of good activation and crystallization at high temperatures.

Original languageEnglish
Pages (from-to)2611-2615
Number of pages5
JournalJournal of Materials Research
Issue number6
Publication statusPublished - 1999 Jun
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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