研究论文

溶胶-凝胶法制备TiO2有机硅杂化涂层材料

  • 王 芳 ,
  • 罗仲宽 ,
  • 青双桂 ,
  • 邱 琦 ,
  • 施 勇
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  • ( 深圳大学 化学与化工学院, 深圳 518060)

收稿日期: 2009-04-16

  修回日期: 2009-07-14

  网络出版日期: 2010-01-24

Sol-Gel Preparation of Titania/Organic Silicone Hybrid Thin Films

  • WANG Fang ,
  • LUO Zhong-Kuan ,
  • QING Shuang-Gui ,
  • QIU Qi ,
  • SHI Yong
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  • (College of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, China)

Received date: 2009-04-16

  Revised date: 2009-07-14

  Online published: 2010-01-24

摘要

以钛酸丁酯(TBT)、二苯基二甲氧基硅烷(DPS)以及γ-(2, 3环氧丙氧)丙基三甲氧基硅烷(GPTS) 为原料, 采用溶胶凝胶法, 经涂膜、固化, 制备了一系列TiO2-有机硅涂层材料.通过不同方法对杂化涂层的微结构、光学、热学和机械性质进行了表征.结果表明, 在可见光范围内, 所得杂化涂层材料的透过率在90%以上, 且随着Ti含量的增加而减小.当Ti含量在10mol%~70mol%范围内, 涂层折射率在1.54~1.64范围内可调.

本文引用格式

王 芳 , 罗仲宽 , 青双桂 , 邱 琦 , 施 勇 . 溶胶-凝胶法制备TiO2有机硅杂化涂层材料[J]. 无机材料学报, 2010 , 25(1) : 37 -40 . DOI: 10.3724/SP.J.1077.2010.00037

Abstract

Incorporation of metal alkoxides into polymers through Sol-Gel process is of significant interest for tuning the refractive index of optical materials. The organic-inorganic hybrid material with tunable refractive index (RI) and high transparency was studied. Tetrabutoxytitanate (TBOT) and alkoxysilanes including diphenyldimethoxysilane (DPS) and γ-Glycidoxypropy1 trimethoxysilane (GPTS) were employed as sources of the titania sol and the silica sol respectively. Subsequently, crack-free films were fabricated by spin coating. The hybrid films with different Ti contents were characterized by various techniques including IR, UV-Vis, TG/DSC, TEM and auto-laser ellipsometer. The results indicated that the hybrid films displayed homogeneous morphology and titania was crosslinked with alkoxysilanes. The RI of films increased from 1.54 to 1.64 at 633nm with Ti molar fraction varing from 10% to 70%. And the transmittances of the hybrid films in the visible range were higher than 90%.

Key words: Sol-Gel; titania; hybrid films

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