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Luminescence Properties of Ba3Si6O12N2:Eu2+ Green Phosphor
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 Title & Authors
Luminescence Properties of Ba3Si6O12N2:Eu2+ Green Phosphor
Luong, Van Duong; Doan, Dinh Phuong; Lee, Hong-Ro;
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To fabricate white LED having a high color rendering index value, red color phosphor mixed with the green color phosphor together in the blue chip, namely the blue chips with RG phosphors packaging is most favorable for high power white LEDs. In our previous papers, we reported on successful syntheses of and phosphors for red phosphor. In this work, for high power green phosphor, greenemitting ternary nitride phosphor was synthesized in a high frequency induction furnace under gas atmosphere at temperatures up to using as a raw material for dopant. The effects of molar ratio of component and experimental conditions on luminescence property of prepared phosphors have been investigated. The structure and luminescence properties of prepared phosphors were investigated by XRD and photoluminescence spectroscopy. The excitation spectra of phosphors indicated broad excitation wavelength range of 250 - 500 nm, namely from UV to blue region with distinct enhanced emission spectrum peaking at .
Oxonitridosilicate phosphor;White LED;;Photoluminescence;
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