Effect of preparation conditions in sol-gel method on yellow phosphor with wide spectrum

Yenchen Lin; Shuhei Inoue; Yukihiko Matsumura; Jyh Chen Chen

doi:10.1063/1.4975151

Effect of preparation conditions in sol-gel method on yellow phosphor with wide spectrum

Yenchen Lin, Shuhei Inoue, Yukihiko Matsumura, Jyh Chen Chen

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

6 Scopus citations

Abstract

Among several methods to obtain white light in light emitting diodes (LEDs), mixing blue light with yellow light excited by blue light is the most effective and economical method. However, the quality of white light achieved by this method is poor, making it essential to develop high-quality yellow phosphors. In this study, we synthesized yellow phosphors with broad spectral width by the sol-gel method and studied the effect of various synthetic conditions on their photoluminescence spectra. Consequently, we optimized synthesis conditions for a series of yellow phosphors and found that excess europium doping caused quenching and reduced the quantum yield.

Original language	English
Article number	015208
Journal	AIP Advances
Volume	7
Issue number	1
DOIs	https://doi.org/10.1063/1.4975151
State	Published - 1 Jan 2017

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abstract = "Among several methods to obtain white light in light emitting diodes (LEDs), mixing blue light with yellow light excited by blue light is the most effective and economical method. However, the quality of white light achieved by this method is poor, making it essential to develop high-quality yellow phosphors. In this study, we synthesized yellow phosphors with broad spectral width by the sol-gel method and studied the effect of various synthetic conditions on their photoluminescence spectra. Consequently, we optimized synthesis conditions for a series of yellow phosphors and found that excess europium doping caused quenching and reduced the quantum yield.",

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AU - Inoue, Shuhei

AU - Matsumura, Yukihiko

AU - Chen, Jyh Chen

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Among several methods to obtain white light in light emitting diodes (LEDs), mixing blue light with yellow light excited by blue light is the most effective and economical method. However, the quality of white light achieved by this method is poor, making it essential to develop high-quality yellow phosphors. In this study, we synthesized yellow phosphors with broad spectral width by the sol-gel method and studied the effect of various synthetic conditions on their photoluminescence spectra. Consequently, we optimized synthesis conditions for a series of yellow phosphors and found that excess europium doping caused quenching and reduced the quantum yield.

AB - Among several methods to obtain white light in light emitting diodes (LEDs), mixing blue light with yellow light excited by blue light is the most effective and economical method. However, the quality of white light achieved by this method is poor, making it essential to develop high-quality yellow phosphors. In this study, we synthesized yellow phosphors with broad spectral width by the sol-gel method and studied the effect of various synthetic conditions on their photoluminescence spectra. Consequently, we optimized synthesis conditions for a series of yellow phosphors and found that excess europium doping caused quenching and reduced the quantum yield.

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Effect of preparation conditions in sol-gel method on yellow phosphor with wide spectrum

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