Photoluminescence Properties of Eu3+ Activated CaMoSiO4 Red Phosphor by Combustion Method
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概要
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The luminescent properties of Eu3+ doped CaMoSiO4 red phosphor were investigated. The aim of this work is to investigate the effect of an activator on the luminescent properties of red-emitting CaMoSiO4:Eu3+ phosphor. CaMoSiO4:Eu3+ phosphors were synthesized using a combustion method to obtain small spherical particles that have smooth and round surfaces. Using urea as a fuel and ammonium nitrate as an oxidizer, CaMoSiO4:Eu3+ was successfully synthesized using this combustion method. The Eu3+ influenced the photoluminescence (PL) spectra of the produced CaMoSiO4:Eu3+ phosphors. The experiment results showed that the strongest emissions occurred with an optimal concentration of the Eu3+; it exhibited a red emission spectrum for near-ultraviolet (UV) excitation. The material would be suited for the fluorescent material used in UV light-emitting diodes (UV-LEDs). The characteristics of the synthesized CaMoSiO4:Eu3+ phosphor were investigated by means of X-ray diffraction (XRD), a scanning electron microscope (SEM), and PL detection.
- 2011-01-25
著者
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Park Sang
Department Of Anatomy Seoul National University College Of Medicine
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Jang Kyung
Department Of Materials Engineering Sungkyunkwan University
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Kim Kyung
Department Of Anesthesia And Pain Medicine School Of Medicine Pusan National University
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Kim Jong
Department Of Agricultural Bio-resources National Academy Of Agricultural Science Rural Development
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Choi Hyung
Department of Electrical Engineering, Kyungwon University, San 65 Bokjeong-dong, Sujeong-gu, Seongnam, Gyeonggi-do 461-701, Korea
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Park Sang
Department of Chemical Engineering, Kyungwon University, San 65 Bokjeong-dong, Sujeong-gu, Seongnam, Gyeonggi-do 461-701, Korea
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Kim Kyung
Department of Electrical Engineering, Kyungwon University, San 65 Bokjeong-dong, Sujeong-gu, Seongnam, Gyeonggi-do 461-701, Korea
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Jang Kyung
Department of Electrical Engineering, Kyungwon University, San 65 Bokjeong-dong, Sujeong-gu, Seongnam, Gyeonggi-do 461-701, Korea
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Kim Jong
Department of Electrical Engineering, Kyungwon University, San 65 Bokjeong-dong, Sujeong-gu, Seongnam, Gyeonggi-do 461-701, Korea
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Choi Hyung
Department of Electrical Engineering Gachon University, Seongnam, Gyeonggi 461-701, Korea
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