Effect of BaF2 as the source of Ba component and flux material in the preparation of Ba1.1Sr0.88SiO4:Eu0.02 phosphor by spray pyrolysis

Sang Ho Lee; Hye Young Koo; Seung Yurl Lee; Man Jong Lee; Yun Chan kang

doi:10.1016/j.ceramint.2009.09.012

Effect of BaF₂ as the source of Ba component and flux material in the preparation of Ba_1.1Sr_0.88SiO₄:Eu_0.02 phosphor by spray pyrolysis

Sang Ho Lee, Hye Young Koo, Seung Yurl Lee, Man Jong Lee, Yun Chan kang

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The phosphor powders with the composition of Ba_1.1Sr_0.88SiO₄:Eu_0.02 were prepared by spray pyrolysis. Barium fluoride and barium nitrate were used as the source materials of Ba component. Ba_1.1Sr_0.88SiO₄:Eu_0.02 phosphor powders had broad excitation wavelength ranging from 220 to 460 nm irrespective of mole ratios of barium fluoride and barium nitrate. Ba_1.1Sr_0.88SiO₄:Eu_0.02 phosphor powders had broad emission spectrum between 470 and 600 nm and had the maximum peak intensity at 522 nm. Substitution of BaF₂ instead of some amount of barium nitrate improved the photoluminescence intensities of Ba_1.1Sr_0.88SiO₄:Eu_0.02 phosphor powders. The maximum photoluminescence intensity of Ba_1.1Sr_0.88SiO₄:Eu_0.02 phosphor powders prepared from spray solution with barium fluoride and barium nitrate was about 595% of the phosphor powders prepared from spray solution without barium fluoride. The sky blue light emitting LED with prepared phosphor powders showed (0.1958 and 0.2719) on the CIE chromaticity diagram and luminous intensity of 1.68 cd.

Original language	English
Pages (from-to)	339-343
Number of pages	5
Journal	Ceramics International
Volume	36
Issue number	1
DOIs	https://doi.org/10.1016/j.ceramint.2009.09.012
Publication status	Published - 2010 Jan
Externally published	Yes

Keywords

A. Powders: chemical preparation
A. Powders: gas phase reaction
C. Optical materials

ASJC Scopus subject areas

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

Access to Document

10.1016/j.ceramint.2009.09.012

Cite this

@article{0a56bfdc42e74c08aeabe6873b3ae7af,

title = "Effect of BaF2 as the source of Ba component and flux material in the preparation of Ba1.1Sr0.88SiO4:Eu0.02 phosphor by spray pyrolysis",

abstract = "The phosphor powders with the composition of Ba1.1Sr0.88SiO4:Eu0.02 were prepared by spray pyrolysis. Barium fluoride and barium nitrate were used as the source materials of Ba component. Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders had broad excitation wavelength ranging from 220 to 460 nm irrespective of mole ratios of barium fluoride and barium nitrate. Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders had broad emission spectrum between 470 and 600 nm and had the maximum peak intensity at 522 nm. Substitution of BaF2 instead of some amount of barium nitrate improved the photoluminescence intensities of Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders. The maximum photoluminescence intensity of Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders prepared from spray solution with barium fluoride and barium nitrate was about 595% of the phosphor powders prepared from spray solution without barium fluoride. The sky blue light emitting LED with prepared phosphor powders showed (0.1958 and 0.2719) on the CIE chromaticity diagram and luminous intensity of 1.68 cd.",

keywords = "A. Powders: chemical preparation, A. Powders: gas phase reaction, C. Optical materials",

author = "Lee, {Sang Ho} and Koo, {Hye Young} and Lee, {Seung Yurl} and Lee, {Man Jong} and kang, {Yun Chan}",

year = "2010",

month = jan,

doi = "10.1016/j.ceramint.2009.09.012",

language = "English",

volume = "36",

pages = "339--343",

journal = "Ceramics International",

issn = "0272-8842",

publisher = "Elsevier Limited",

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T1 - Effect of BaF2 as the source of Ba component and flux material in the preparation of Ba1.1Sr0.88SiO4:Eu0.02 phosphor by spray pyrolysis

AU - Lee, Sang Ho

AU - Koo, Hye Young

AU - Lee, Seung Yurl

AU - Lee, Man Jong

AU - kang, Yun Chan

PY - 2010/1

Y1 - 2010/1

N2 - The phosphor powders with the composition of Ba1.1Sr0.88SiO4:Eu0.02 were prepared by spray pyrolysis. Barium fluoride and barium nitrate were used as the source materials of Ba component. Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders had broad excitation wavelength ranging from 220 to 460 nm irrespective of mole ratios of barium fluoride and barium nitrate. Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders had broad emission spectrum between 470 and 600 nm and had the maximum peak intensity at 522 nm. Substitution of BaF2 instead of some amount of barium nitrate improved the photoluminescence intensities of Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders. The maximum photoluminescence intensity of Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders prepared from spray solution with barium fluoride and barium nitrate was about 595% of the phosphor powders prepared from spray solution without barium fluoride. The sky blue light emitting LED with prepared phosphor powders showed (0.1958 and 0.2719) on the CIE chromaticity diagram and luminous intensity of 1.68 cd.

AB - The phosphor powders with the composition of Ba1.1Sr0.88SiO4:Eu0.02 were prepared by spray pyrolysis. Barium fluoride and barium nitrate were used as the source materials of Ba component. Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders had broad excitation wavelength ranging from 220 to 460 nm irrespective of mole ratios of barium fluoride and barium nitrate. Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders had broad emission spectrum between 470 and 600 nm and had the maximum peak intensity at 522 nm. Substitution of BaF2 instead of some amount of barium nitrate improved the photoluminescence intensities of Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders. The maximum photoluminescence intensity of Ba1.1Sr0.88SiO4:Eu0.02 phosphor powders prepared from spray solution with barium fluoride and barium nitrate was about 595% of the phosphor powders prepared from spray solution without barium fluoride. The sky blue light emitting LED with prepared phosphor powders showed (0.1958 and 0.2719) on the CIE chromaticity diagram and luminous intensity of 1.68 cd.

KW - A. Powders: chemical preparation

KW - A. Powders: gas phase reaction

KW - C. Optical materials

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