Synthesis, growth mechanism and photoluminescence of monodispersed cubic shape Ce doped YAG nanophosphor

Prabhakar Rai, Min Kyoung Song, Hyeon Min Song, Jeong Hyun Kim, Yun Su Kim, In-Hwan Lee, Yeon Tae Yu

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

In the present work, a novel method for the synthesis of monodispersed cubic shape Ce-doped yttrium aluminum garnet (YAG:Ce) nanophosphors is reported. Single phase Ce doped YAG nanoparticles are prepared by solvothermal processing, followed by annealing treatment. Morphological investigation by scanning electron microscopy (SEM) showed the formation of monodispersed 500 nm cubic shape Ce-doped YAG phosphor. The crystalline Ce-doped YAG showed broad emission peaks in the range of 480-640 nm with maximum intensity at 524 nm. The emission intensity increased with increase in calcination temperatures while reduced with increase in Ce3+ ions concentration. Detailed study was carried out to understand the formation of monodispersed cubic shape Ce doped YAG nanoparticles. It was found that the solvent, surfactant and impurity (counter ions of cerium and aluminum salt) has significant effect on the crystal growth.

Original languageEnglish
Pages (from-to)235-242
Number of pages8
JournalCeramics International
Volume38
Issue number1
DOIs
Publication statusPublished - 2012 Jan 1
Externally publishedYes

Fingerprint

Photoluminescence
Nanoparticles
Cerium
Aluminum
Radiation counters
Garnets
Yttrium
Crystallization
Crystal growth
Surface-Active Agents
Phosphors
Calcination
Surface active agents
Salts
Annealing
Impurities
Ions
Crystalline materials
Scanning electron microscopy
Processing

Keywords

  • A. Calcination
  • A. Powders: chemical preparation
  • C. Optical properties
  • YAG:Ce

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Synthesis, growth mechanism and photoluminescence of monodispersed cubic shape Ce doped YAG nanophosphor. / Rai, Prabhakar; Song, Min Kyoung; Song, Hyeon Min; Kim, Jeong Hyun; Kim, Yun Su; Lee, In-Hwan; Yu, Yeon Tae.

In: Ceramics International, Vol. 38, No. 1, 01.01.2012, p. 235-242.

Research output: Contribution to journalArticle

Rai, Prabhakar ; Song, Min Kyoung ; Song, Hyeon Min ; Kim, Jeong Hyun ; Kim, Yun Su ; Lee, In-Hwan ; Yu, Yeon Tae. / Synthesis, growth mechanism and photoluminescence of monodispersed cubic shape Ce doped YAG nanophosphor. In: Ceramics International. 2012 ; Vol. 38, No. 1. pp. 235-242.
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