Hard Transparent Titania/Silicone Thin Coatings with Tunable Refractive Index

被引：0

作者：

Wang Fang ^{[1
]}

Zhao Xue ^{[1
]}

Xu Yanghai ^{[1
]}

Liu Bo ^{[1
]}

Luo Zhongkuan ^{[1
]}

机构：

[1] Shenzhen Univ, Shenzhen Key Lab New Lithium Ion Battery & Mesopo, Shenzhen 518060, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2012年 / 41卷

关键词：

refractive index; titania; hybrid films; hardness; HYBRID OPTICAL FILMS; NANOCOMPOSITES;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A hard transparent titania/silicone hybrid film with tunable refractive index was studied. The titanate coupling agent, Isopropyl tri(dioctylpyrophosphate) titanate(TTPO) and the silane coupling agent, trimethoxysilylpropylmethacrylate (TMSPM), were applied with tetrabutoxytitanate (TBOT) via sol-gel process to obtain a transparent stabilized titanium sol. gamma-glycidoxypropyl trimethoxysilane (GPTS) was prehydrolyzed as a silicone sol, and then reacted with titanium sol. A series of hybrid sols with different Ti content were prepared and applied for crack-free films by dip-coating. Different techniques including IR, UV-vis, SEM, AFM and auto-laser ellipsometer were used to characterize the films. With Ti molar fraction from 10% to 60%, the refractive index of the films increases from 1.50 to 1.76 at 633 nm. The pencil hardness is 7H similar to 9H and the contact angle is 94 degrees-100 degrees.

引用

页码：262 / 265

页数：4

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