Y2O3:Eu3+薄膜的制备及发光性能的研究

doi:10.7517/j.issn.1674-0475.2007.02.110

影像科学与光化学 ›› 2007, Vol. 25 ›› Issue (2): 110-114.DOI: 10.7517/j.issn.1674-0475.2007.02.110

Y₂O₃:Eu³⁺薄膜的制备及发光性能的研究

黄永平

长沙大学, 应用化学与环境科学系, 湖南, 长沙, 410003

收稿日期:2006-07-26 修回日期:2006-11-09 出版日期:2007-03-23 发布日期:2007-03-23

Study on Luminescence Properties of Y₂O₃:Eu Film

HUANG Yong-ping

Department of Applied Chemistry and Environmental Science, Changsha University, Changsha 410003, Hunan, P. R. China

Received:2006-07-26 Revised:2006-11-09 Online:2007-03-23 Published:2007-03-23

摘要/Abstract

摘要： 以稀土氧化物为原料,用溶胶-凝胶法制备前驱液,加入适量的聚乙烯醇做成膜物质,用浸渍拉提法在石英玻璃表面上得到均匀的薄膜,然后经过适当的干燥和热处理得到Y₂O₃:Eu³⁺发光薄膜.讨论了Eu³⁺的掺杂浓度和热处理温度对薄膜发光性能的影响.试验表明:Eu³⁺的最佳掺杂浓度为8%(摩尔分数),薄膜的发光性能随热处理温度提高而增强,当热处理温度达到700℃后,薄膜的发光性能基本上稳定.同时用原子力显微镜和X射线衍射分析了薄膜的表面形貌和结构.

关键词: 溶胶-凝胶法, Y₂O₃:Eu³⁺薄膜, 原子力显微镜

Abstract: Y₂O₃:Eu thin films were prepared by sol-gel method with inorganic salt as raw materials.PVA is added to sol as a filming additive.The gel film can be prepared by dip-coating technique on the surface of quartz glass.After dryed and sintered at appropriate temperature,the Y₂O₃:Eu³⁺ thin film is formed.Influence of concentration of Eu³⁺ and sintered temperature to the luminescence intensity of film is researched in this paper.The optimal concentration of Eu³⁺ is 8%(mol/mol),luminescent properties of film enhanced with the annealing temperature up to 700 ℃.The surface characteristic and structures of film was investigated by AFM and XRD.

Key words: sol-gel, Y₂O₃:Eu³⁺ film, AFM

中图分类号:

黄永平. Y₂O₃:Eu³⁺薄膜的制备及发光性能的研究[J]. 影像科学与光化学, 2007, 25(2): 110-114.

HUANG Yong-ping. Study on Luminescence Properties of Y₂O₃:Eu Film[J]. Imaging Science and Photochemistry, 2007, 25(2): 110-114.

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Y₂O₃:Eu³⁺薄膜的制备及发光性能的研究

Study on Luminescence Properties of Y₂O₃:Eu Film

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