Effect of pH on the luminescence of (Y,Gd)BO3

Eu3+ phosphor prepared by the coprecipitation method

Gwan Hyoung Lee, Shinhoo Kang

Research output: Contribution to journalConference article

Abstract

The (Y,Gd)BO3:Eu3+ phosphor was made by coprecipitation method. The precipitated powders were amorphous. The value of pH in the process of coprecipitation was critical for the luminescence of phosphors. The particle size and morphology were influenced by pH value. The lower calcination temperature and hydrothermal synthesis leads to the distortion of lattices. The distorted lattices changed the symmetry of Eu3+ site. The broken inversion symmetry in the distorted lattice caused the increased emission of5 D07D2 transition.

Original languageEnglish
Pages (from-to)1514-1517
Number of pages4
JournalProceedings of International Meeting on Information Display
Volume2
Publication statusPublished - 2006 Dec 1

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Coprecipitation
Phosphors
Luminescence
Hydrothermal synthesis
Calcination
Particle size
Powders
Temperature

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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abstract = "The (Y,Gd)BO3:Eu3+ phosphor was made by coprecipitation method. The precipitated powders were amorphous. The value of pH in the process of coprecipitation was critical for the luminescence of phosphors. The particle size and morphology were influenced by pH value. The lower calcination temperature and hydrothermal synthesis leads to the distortion of lattices. The distorted lattices changed the symmetry of Eu3+ site. The broken inversion symmetry in the distorted lattice caused the increased emission of5 D0→7D2 transition.",
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Effect of pH on the luminescence of (Y,Gd)BO3 : Eu3+ phosphor prepared by the coprecipitation method. / Lee, Gwan Hyoung; Kang, Shinhoo.

In: Proceedings of International Meeting on Information Display, Vol. 2, 01.12.2006, p. 1514-1517.

Research output: Contribution to journalConference article

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AB - The (Y,Gd)BO3:Eu3+ phosphor was made by coprecipitation method. The precipitated powders were amorphous. The value of pH in the process of coprecipitation was critical for the luminescence of phosphors. The particle size and morphology were influenced by pH value. The lower calcination temperature and hydrothermal synthesis leads to the distortion of lattices. The distorted lattices changed the symmetry of Eu3+ site. The broken inversion symmetry in the distorted lattice caused the increased emission of5 D0→7D2 transition.

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