材料科学
乙二醇
甲基丙烯酸酯
纳米晶材料
高分辨率透射电子显微镜
高分子化学
透射电子显微镜
化学工程
高折射率聚合物
折射率
锐钛矿
混合材料
丙烯酸
共聚物
聚合物
纳米技术
复合材料
化学
有机化学
光电子学
光催化
催化作用
工程类
作者
Hung-Wen Su,Wen‐Chang Chen
标识
DOI:10.1002/macp.200800174
摘要
Abstract In this study, photosensitive high‐refractive‐index poly(acrylic acid)‐ graft ‐poly(ethylene glycol methacrylate)‐(3‐trimethoxysilyl propyl methacrylate)‐modified titania hybrid materials were synthesized, followed by hydrothermal treatment. Nanocrystalline titania in the hybrid materials, analyzed by high‐resolution transmission electron microscopy (HRTEM), X‐ray diffraction (XRD) and small‐angle X‐ray scattering (SAXS), had domain sizes of around 3–7 nm and had a more‐compact anatase structure at a higher titania content. The prepared optically transparent films had a refractive index in the range of 1.528–1.803 as the titania content increased from 5.6 to 61.9 wt.‐%. A fine pattern with a line width of 20 µm was produced by a direct lithographic process on the hybrid films. The present study demonstrates a novel approach for preparing photosensitive high‐refractive‐index hybrid materials with patternability. magnified image
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