双层 SiO2 宽谱带减反射涂层的制备及性能表征

doi:10.14139/i.cnki.cn22-1228.2024.03.006

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摘要

采用无模板溶胶?凝胶法，成功制备在可见光范围内具有高透射率和良好疏水性的宽谱带减反射双层 SiO₂涂层。采用提拉法在石英基底上沉积 SiO₂双层涂层，底层和顶层的折射率分别为1.34和 1.15。其中，底层由酸催化和碱催化混合 SiO₂溶胶制备得到，顶层薄膜的溶胶是使用六甲基二硅氮烷(ＨＭＤＳ)作为改性剂，制备得到三甲基硅烷化的 SiO₂ 纳米粒子体系。根据优化膜系设计要求，选择合适工艺参数镀制双层涂层，测试结果显示， SiO₂ 双层涂层在可见光区的平均透射率为 98.64％，静态水接触角可达134°。

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	赵昊森
	肖志葳
	王逸翔
	贾红宝
	朱世海

关键词: 溶胶-凝胶法酸碱混合 SiO₂溶胶减反射薄膜表面有机改性

Abstract:

A broadband antirelective Si0, coating with high transmittance and good hydrophobicity in thevisible range was successfully prepared by template-free sol-gel method.The refractive indices of the bottomlayer and top layer of the coating are 1.34 and 1.15 , respectively. The bottom layer was prepared by mixing Si0sols catalyzed by acid and base, and the sol of the top layer was prepared by using hexamethyldisilazane( HMDS) as modifier, which is composed of trimethylsilanized Si0, nanoparticles. According to the design requirements of the optimized film system, suitable technological parameters were selected to prepare thedouble-layer coating. The test results show that the average transmittance of the Si0, double-layer coating in thevisible light region is 98.64%,and the static water contact angle can reach 134°.

Key words: sol-gel method: acid-base mixed Si0₂, sol anti-rellection film surface organie modification

出版日期: 2024-06-25 发布日期: 2024-06-25 整期出版日期: 2024-06-25

ZTFLH:

O 484.5

引用本文:

赵昊森, 肖志葳, 王逸翔, 贾红宝 , 朱世海. 双层 SiO₂ 宽谱带减反射涂层的制备及性能表征 [J]. 大学物理实验, 2024, 37(3): 27-32.
ZHA Haosen , XIAO Zhiwei, WANG Yixiang, JlA Hongbao, ZHU Shihai. Preparation and Characterization of BroadbandAntireflective Double-Layer Silica Coating . Physical Experiment of College, 2024, 37(3): 27-32.

链接本文:

http://dawushiyan.jlict.edu.cn/CN/10.14139/i.cnki.cn22-1228.2024.03.006 或 http://dawushiyan.jlict.edu.cn/CN/Y2024/V37/I3/27

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