Synthesis of Y2O3:(Li,Eu) films using phosphor powders coated with SiO2 nano particles |
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| Authors: | In-Gyu Kim Seong-Gu Kang |
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| Institution: | a Center for Green Fusion Technology & Department of Engineering in Energy & Applied Chemistry, Silla University, Busan 617-736, Korea
b Department of Chemical Engineering, Hoseo University, Chungnam 336-795, Korea |
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| Abstract: | Y1.9−xLi0.1EuxO3 (x=0.02, 0.05, 0.08, and 0.12) films were fabricated by spin-coating method. A colloidal silica suspension with Y1.9−xLi0.1EuxO3 phosphor powder was exploited to obtain the highly stable and effective luminescent films onto the glass substrate. After heating as-prepared Y1.9−xLi0.1EuxO3 films at 700 °C for 1 h, the phosphor films exhibit a high luminescent brightness as well as a strong adhesiveness on the glass substrate. The emission spectra of spin-coated and pulse-laser deposited Y1.82Li0.1Eu0.08O3 films were compared. The cathodoluminescence of the phosphor films was carried out at the anode voltage 1 kV. |
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| Keywords: | Coatings Glass Nano-particles Y2O3:(Li Eu) films |
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