【摘 要】
：
YVO4:Bi3+,Eu3+ nanophosphor,which emits red light under near-UV light excitation,is one of the suitable candidates for wavelength converters in optical and
【机 构】
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Dpt. Appl. Chem.,Facul. Sci. Tech.,Keio Univ.,Yokohama,Japan
【出 处】
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The 5th International Congress on Ceramics, ICC5(第五届国际陶瓷大会)
论文部分内容阅读
YVO4:Bi3+,Eu3+ nanophosphor,which emits red light under near-UV light excitation,is one of the suitable candidates for wavelength converters in optical and optoelectric devices,such as near-UV LEDs and spectral down-shifters for solar cells,because of the following properties: higher photostability compared to organic luminescent materials,no absorption and low light scattering intensity due to its size in the visible region.We fabricate monolithic nanocomposites of silica containing citrate-capped YVO4:Bi3+,Eu3+ nanoparticles,which are synthesized by coprecipitation method via a citrate precursor.A basic aqueous solution of tetramethylammonium silicate(TMAS)is chosen as a silica source,since the negatively-charged nanophosphor can be well-dispersed in this solution.
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