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首页> 外文期刊>Coatings >Optical Isomerization and Photo-Patternable Properties of GeO2/Ormosils Organic-Inorganic Composite Films Doped with Azobenzene
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Optical Isomerization and Photo-Patternable Properties of GeO2/Ormosils Organic-Inorganic Composite Films Doped with Azobenzene

机译：Geo2 / Ormosils的光学异构化和光学图案化性质有机 - 无机复合膜掺杂有偶氮苯

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摘要

GeO2/organically modified silane (ormosils) organic-inorganic composite films containing azobenzene were prepared by combining sol-gel technology and spin coating method. Optical waveguide properties including the refractive index and thickness of the composite films were characterized by using a prism coupling instrument. Surface morphology and photochemical properties of the composite films were investigated by atomic force microscope and Fourier transform infrared spectrometer. Results indicate that the composite films have smooth and neat surface, and excellent optical waveguide performance. Photo-isomerization properties of the composite films were studied by using a UV–Vis spectrophotometer. Optical switching performance of the composite films was also studied under the alternating exposure of 365 nm ultraviolet light and 410 nm visible light. Finally, strip waveguides and microlens arrays were built in the composite films through a UV soft imprint technique. Based on the above results, we believe that the prepared composite films are promising candidates for micro-nano optics and photonic applications, which would allow directly integrating the optical data storage and optical switching devices onto a single chip.
机译：通过组合溶胶 - 凝胶技术和旋涂法制备含有偶氮苯的GeO2 /有机改性硅烷（Ormosils）有机 - 无机复合膜。通过使用棱镜耦合器械表征包括复合膜的折射率和厚度的光波导特征。通过原子力显微镜和傅里叶变换红外光谱仪研究了复合膜的表面形态和光化学特性。结果表明，复合膜具有光滑且纯净的表面，以及优异的光波导性能。通过使用UV-Vis分光光度计研究复合膜的光异构化性质。还在365nm紫外线和410nm可见光的交替暴露下研究复合膜的光学切换性能。最后，通过UV软压印技术在复合膜中构建了条带波导和微透镜阵列。基于上述结果，我们认为，制备的复合薄膜是微纳米光学和光子应用的承诺候选者，其允许将光学数据存储和光学切换装置直接集成到单个芯片上。

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