Synthesis and luminescence properties of Ho3 doped Y 2O3 submicron particles

Timur Sh Atabaev, Hong Ha Thi Vu, Yang Do Kim, Jae Ho Lee, Hyung Kook Kim, Yoon Hwae Hwang

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

This paper presents comprehensive results of the eco-friendly, large scale fabrication of nearly spherical Ho3-doped Y2O3 submicron particles, synthesized using the urea homogeneous precipitation method. The dependence of the photoluminescence emission on the doping concentration was examined to determine the optimum Ho3 concentration in the samples. X-ray diffraction data of the Y2O 3:Ho3 particles revealed a cubic Y2O 3 structure. Field emission scanning electron microscopy confirmed the formation of nearly spherical shape particles with a mean diameter of 200±50 nm. The luminescence emission intensity significantly increased with increasing calcination temperature due to the improved crystallinity of the synthesized particles. Strong visible green-yellowish emission due to 5F4; 5S2 5I8 Stokes transitions was observed under constant 450 nm excitation. Simple large scale fabrication along with the strong visible green-yellowish emission might give these particles wide area of applications.

Original languageEnglish
Pages (from-to)176-181
Number of pages6
JournalJournal of Physics and Chemistry of Solids
Volume73
Issue number2
DOIs
Publication statusPublished - Feb 2012
Externally publishedYes

Fingerprint

Luminescence
luminescence
Fabrication
synthesis
Urea
Field emission
Calcination
Photoluminescence
Doping (additives)
X ray diffraction
Scanning electron microscopy
fabrication
ureas
roasting
field emission
crystallinity
Temperature
photoluminescence
scanning electron microscopy
diffraction

Keywords

  • A. Optical materials
  • A. Oxides
  • D. Luminescence

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Chemistry(all)
  • Materials Science(all)

Cite this

Synthesis and luminescence properties of Ho3 doped Y 2O3 submicron particles. / Atabaev, Timur Sh; Thi Vu, Hong Ha; Kim, Yang Do; Lee, Jae Ho; Kim, Hyung Kook; Hwang, Yoon Hwae.

In: Journal of Physics and Chemistry of Solids, Vol. 73, No. 2, 02.2012, p. 176-181.

Research output: Contribution to journalArticle

Atabaev, Timur Sh ; Thi Vu, Hong Ha ; Kim, Yang Do ; Lee, Jae Ho ; Kim, Hyung Kook ; Hwang, Yoon Hwae. / Synthesis and luminescence properties of Ho3 doped Y 2O3 submicron particles. In: Journal of Physics and Chemistry of Solids. 2012 ; Vol. 73, No. 2. pp. 176-181.
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