Enhancement of photoluminescnce properties of y2O 3:Eu3+ nanophosphor by low temperature synthetic method

Sung Jei Hong, Jeong In Han

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this work, photoluminescence properties of the Y2O 3:Eu3+ nanophosphor was enhanced by newly developed low temperature synthetic method. Distinguished from conventional method using high temperature of 1200°C, the synthetic temperature of the newly developed method can be lowered to 500°C by excluding chloride and nitric acid elements. Therefore, smaller sized nanoparticle could be achieved by lowering the temperature. The nanophosphor showed smaller particle size of 8 nm, and crystal structure of the smaller sized Y2O3:Eu 3+ nanophosphor is mainly cubic crystal with orientation of (222), (440), and (400). In addition, the smaller sized Y2O 3-10wt%Eu3+ nanophosphor synthesized by the low temperature method showed higher degree of crystallization of 11.6 of I (222)/I(511) ratio. Also, the Y2O 3-10wt%Eu3+ nanophosphor showed excellent photoluminescence properties. That is, excitation wavelength was found at 250 nm, and it was the shortest one. As well, the most intensive photoluminescence emission peak could be achieved at 611 nm by using the excitation with shortest wavelength. So, photoluminescence properties could be enhanced by the newly developed low temperature synthetic method.

Original languageEnglish
Title of host publication2006 IEEE Nanotechnology Materials and Devices Conference, NMDC
Pages446-447
Number of pages2
DOIs
StatePublished - 2006
Event2006 IEEE Nanotechnology Materials and Devices Conference, NMDC - Gyeongju, Korea, Republic of
Duration: 22 Oct 200625 Oct 2006

Publication series

Name2006 IEEE Nanotechnology Materials and Devices Conference, NMDC
Volume1

Conference

Conference2006 IEEE Nanotechnology Materials and Devices Conference, NMDC
Country/TerritoryKorea, Republic of
CityGyeongju
Period22/10/0625/10/06

Keywords

  • Degree of crystallization
  • Low temperature synthesis
  • Nanophosphor
  • Photoluminescence
  • Smaller sized particle
  • YO:Eu

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