Enhancement of thermal quenching properties of a yellow-emitting SiO 2-coated Y3Al5O12:Ce3+ phosphor for white light-emitting diode applications

Eun Jun Chung; Takaki Masaki; Young Hyun Song; Karuppanan Senthil; Mong Kwon Jung; Dae Ho Yoon

doi:10.1088/0031-8949/2013/T157/014012

Enhancement of thermal quenching properties of a yellow-emitting SiO ₂-coated Y₃Al₅O₁₂:Ce³⁺ phosphor for white light-emitting diode applications

Eun Jun Chung, Takaki Masaki, Young Hyun Song, Karuppanan Senthil, Mong Kwon Jung, Dae Ho Yoon

Department of Advanced Materials Science and Engineering

Research output: Contribution to journal › Conference article › peer-review

7 Scopus citations

Abstract

To improve the phosphor thermal properties of phosphor-converted white light emitting diodes, the Y₃A_l5O₁₂:Ce ³⁺ phosphor was coated with SiO₂. The photoluminescence properties of the SiO₂-coated Y₃A_l5O ₁₂:Ce³⁺ phosphor showed excellent thermal properties at 460 nm. The temperature dependence of photoluminescence was measured from 20 to 180 °C. The SiO₂-coated phosphor showed improved thermal quenching properties compared to pristine phosphors. We concluded that the SiO₂-coated phosphor limits the thermal quenching properties. This result suggests that the SiO₂-coated YAG:Ce³⁺ phosphor could be considered as a good candidate for white light-emitting diode applications.

Original language	English
Article number	014012
Journal	Physica Scripta T
Volume	T157
DOIs	https://doi.org/10.1088/0031-8949/2013/T157/014012
State	Published - 2013
Event	3rd International Conference on the Physics of Optical Materials and Devices, ICOM 2012 - Belgrade, Serbia Duration: 2 Sep 2012 → 6 Sep 2012

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10.1088/0031-8949/2013/T157/014012

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title = "Enhancement of thermal quenching properties of a yellow-emitting SiO 2-coated Y3Al5O12:Ce3+ phosphor for white light-emitting diode applications",

abstract = "To improve the phosphor thermal properties of phosphor-converted white light emitting diodes, the Y3Al5O12:Ce 3+ phosphor was coated with SiO2. The photoluminescence properties of the SiO2-coated Y3Al5O 12:Ce3+ phosphor showed excellent thermal properties at 460 nm. The temperature dependence of photoluminescence was measured from 20 to 180 °C. The SiO2-coated phosphor showed improved thermal quenching properties compared to pristine phosphors. We concluded that the SiO2-coated phosphor limits the thermal quenching properties. This result suggests that the SiO2-coated YAG:Ce3+ phosphor could be considered as a good candidate for white light-emitting diode applications.",

author = "Chung, \{Eun Jun\} and Takaki Masaki and Song, \{Young Hyun\} and Karuppanan Senthil and Jung, \{Mong Kwon\} and Yoon, \{Dae Ho\}",

year = "2013",

doi = "10.1088/0031-8949/2013/T157/014012",

language = "English",

volume = "T157",

journal = "Physica Scripta T",

issn = "0281-1847",

publisher = "Institute of Physics",

note = "3rd International Conference on the Physics of Optical Materials and Devices, ICOM 2012 ; Conference date: 02-09-2012 Through 06-09-2012",

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TY - JOUR

T1 - Enhancement of thermal quenching properties of a yellow-emitting SiO 2-coated Y3Al5O12:Ce3+ phosphor for white light-emitting diode applications

AU - Chung, Eun Jun

AU - Masaki, Takaki

AU - Song, Young Hyun

AU - Senthil, Karuppanan

AU - Jung, Mong Kwon

AU - Yoon, Dae Ho

PY - 2013

Y1 - 2013

N2 - To improve the phosphor thermal properties of phosphor-converted white light emitting diodes, the Y3Al5O12:Ce 3+ phosphor was coated with SiO2. The photoluminescence properties of the SiO2-coated Y3Al5O 12:Ce3+ phosphor showed excellent thermal properties at 460 nm. The temperature dependence of photoluminescence was measured from 20 to 180 °C. The SiO2-coated phosphor showed improved thermal quenching properties compared to pristine phosphors. We concluded that the SiO2-coated phosphor limits the thermal quenching properties. This result suggests that the SiO2-coated YAG:Ce3+ phosphor could be considered as a good candidate for white light-emitting diode applications.

AB - To improve the phosphor thermal properties of phosphor-converted white light emitting diodes, the Y3Al5O12:Ce 3+ phosphor was coated with SiO2. The photoluminescence properties of the SiO2-coated Y3Al5O 12:Ce3+ phosphor showed excellent thermal properties at 460 nm. The temperature dependence of photoluminescence was measured from 20 to 180 °C. The SiO2-coated phosphor showed improved thermal quenching properties compared to pristine phosphors. We concluded that the SiO2-coated phosphor limits the thermal quenching properties. This result suggests that the SiO2-coated YAG:Ce3+ phosphor could be considered as a good candidate for white light-emitting diode applications.

UR - https://www.scopus.com/pages/publications/84891854333

U2 - 10.1088/0031-8949/2013/T157/014012

DO - 10.1088/0031-8949/2013/T157/014012

M3 - Conference article

AN - SCOPUS:84891854333

SN - 0281-1847

VL - T157

JO - Physica Scripta T

JF - Physica Scripta T

M1 - 014012

T2 - 3rd International Conference on the Physics of Optical Materials and Devices, ICOM 2012

Y2 - 2 September 2012 through 6 September 2012

ER -

Enhancement of thermal quenching properties of a yellow-emitting SiO ₂-coated Y₃Al₅O₁₂:Ce³⁺ phosphor for white light-emitting diode applications

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