Preparation of broadband antireflective coating by sol-gel method
Preparation of broadband antireflective coating by sol-gel method作者机构：Anhui Provincial Key Laboratory of Photonic Devices and Materials Anhui Institute of Optics and Fine Mechanics Chinese Academy of Sciences Hefei 230031 China Key Lab of New Thin Film Solar Cells Institute of Plasma Physics Chinese Academy of Sciences Hefei 230031 China University of Science and Technology of China Hefei 230026 China
出 版 物：《Chinese Optics Letters》 (中国光学快报（英文版）)
年 卷 期：2013年第11卷第13期
页 面：59-61页
核心收录：
学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学]
基 金：the National Natural Science Foundation of China(51172237) the National “973” Program of China(2011CBA00700) the National “863” Program of China(2011AA050527) the Anhui Provincial International Science and Technology Cooperation Program(10080703021) the Knowledge Innovation Program of the Chinese Academy of Sciences
主 题：310.1210 Antireflection coatings 310.6860 Thin films, optical properties 240.0310 Thin films 160.6060 Solgel
摘 要：A sol-gel method for the preparation of silica coating that varied in refractive index is developed. Silicon dioxide sol is obtained by hydrolysis and co-condensation reactions occurred in acid-catalyzed system. Surface morphology, refractive index, and transmission spectrum of the samples are studied. The results of transmission spectra of single-sided coatings show that the average transmittance of the samples increases about 4% compared with the uncoated one in the spectra range from 400 to 1 200 nm in the case of vertical incidence. For the double-sided coating the maximum transmittance is 99% at the wavelength of 840 nm.
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