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OALib Journal期刊
ISSN: 2333-9721
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无水溶胶-凝胶法制备有机-无机杂化光波导薄膜
Abstract:
以二苯基二羟基硅烷(diphenylsilanediol，DPSD)和γ-甲基丙烯酰氧基丙基三甲氧基硅烷(γ-Methacryloxypropyltrimethoxysilane，MAPTMS)为前驱体，用无水溶胶-凝胶法合成出有机-无机杂化材料，将其旋涂在硅基片和石英玻璃片上得到杂化光波导薄膜。利用Abbe折射仪测试薄膜的折射率，用Fourier红外光谱仪和Raman光谱仪测试了薄膜的红外吸收光谱和Raman散射光谱，用紫外-可见-近红外分光光度计测试了薄膜的光吸收性质，用棱镜耦合法测试薄膜的光传输损耗。结果表明控制DPSD的加入量可以调节薄膜的折射率(1.471～1.515)；杂化材料在可见和近红外区域的光透过率在90%以上；在265nm处存在强烈的苯环K带吸收峰；薄膜的光传输损耗约为1.0dB/cm。
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