Heating Profile Effect on Morphology, Crystallinity, and Photoluminescent Properties of Y2O3:Eu3+ Phosphor Nanofibers Prepared Using an Electrospinning Method
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概要
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Europium-doped yttrium oxide (Y2O3:Eu3+) nanofibers were successfully prepared via an electrospinning method followed by annealing at temperatures up to 1200 °C. Mixed solutions of yttrium nitrate, europium nitrate and poly(vinyl pyrrolidone) (PVP) were used as precursors. Poly(vinyl pyrrolidone) polymer was used as a template for obtaining fiber morphology and was then removed during the annealing process to yield Y2O3:Eu3+ fibers. The fibers were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), Fourier-transform infrared (FTIR), and photoluminescence (PL) spectrometry. The effect of the heating profile on the morphology, crystallinity, and photoluminescent properties of the nanofibers was systematically investigated. The diameter of the prepared fibers decreased with increasing temperature and a high heating rate caused the polymer to melt quickly and cross-links to form between the fibers. In addition, crystallite size and photoluminescent intensity of Y2O3:Eu3+ phosphor fibers increased with increasing temperature.
- 2007-10-15
著者
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Iskandar Ferry
Department Of Chemical Engineering Graduate School Of Engineering Hiroshima University
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矢吹 彰広
広島大 大学院工学研究科
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矢吹 彰広
広島大学大学院 工学研究科
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矢吹 彰宏広
広島大学 工学部
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矢吹 彰広
広島大学大学院 工学研究科 物質化学システム専攻
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矢吹 彰広
広島大学
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Yabuki Akihiro
Chemistry And Chemical Engineering Graduate School Of Engineering Hiroshima University
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Okuyama Kikuo
Department Of Chemical Engineering Faculty Of Engineering Hiroshima University
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Munir Muhammad
Department Of Physics Bandung Institute Of Technology (itb)
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Yun Ki
Department Of Chemical Engineering Graduate School Of Engineering Hiroshima University
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矢吹 彰広
広島大学大学院 工学研究院
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Iskandar Ferry
Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan
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Yabuki Akihiro
Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan
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Yun Ki
Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan
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Okuyama Kikuo
Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan
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Munir Muhammad
Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, Higashihiroshima, Hiroshima 739-8527, Japan
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Munir Muhammad
Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashihiroshima, Hiroshima 739-8527, Japan
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