Preparation of broadband antireflective coatings with ultra-low refractive index layer by sol-gel method

被引：21
|
作者：
Yan, Genghua [1 ,3 ]
Yuan, Ye [1 ,3 ]
Hong, Ruijiang [2 ,3 ]
机构：
[1] Sun Yat Sen Univ, Sch Mat Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, Sch Phys, Inst Solar Energy Syst, Guangzhou 510006, Guangdong, Peoples R China
[3] Guangdong Prov Key Lab Photovolta Technol, Guangzhou 510006, Guangdong, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 176卷
关键词：
Broadband antireflective coatings; Sol-gel; Ultra-low refractive index; Coated glass; SILICA; FILMS; GLASS;
D O I：
10.1016/j.conbuildmat.2018.05.016
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper, a novel long-time refluxing process has been applied for ultra-low refractive index antireflective coatings preparation. Coating with refractive index of 1.12 was obtained. Double layer antireflective coatings with refractive index of 1.12 for the top layer and that of 1.30-1.40 for the bottom layer have been fabricated on soda-lime glasses. By adjusting the preparation parameters, the numerical difference between peak and valley transmittance value gradually reduced, i.e. the broadband antireflective coatings were prepared. The light transmittance of double layer antireflective coatings achieved to 99.04%, while the average transmittance attained to 95.49% in 300-1200 nm wavelength. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：75 / 80
页数：6
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