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Proceedings Paper

Template-free sol–gel preparation of antireflection films with adjustable refractive index
Author(s): Yanling Guo; Xinrong Chen; Chaoming Li; Qing Xu; Yong Xu; Xu Chen; Jianhong Wu
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Paper Abstract

A antireflection film with adjustable refractive index from 1.17 to 1.41 was prepared at room temperature via a template-free sol–gel method, using tetraethylorthosilicate(TEOS) as co-precursor. In this study, the regulation of the refractive index is achieved by mixing different volumes of acid-catalyzed silica sol having a refractive index of 1.41 with a base-catalyzed silica sol having a refractive index of 1.17. The silica coating, with a refractive index of 1.2332, prepared by this base/acid two step catalysis sol-gel process can increase the transmittance of K9 glass by about 3.5%.

Paper Details

Date Published: 18 December 2019
PDF: 5 pages
Proc. SPIE 11336, AOPC 2019: Nanophotonics, 113360D (18 December 2019); doi: 10.1117/12.2544816
Show Author Affiliations
Yanling Guo, Soochow Univ. (China)
Xinrong Chen, Soochow Univ. (China)
Chaoming Li, Soochow Univ. (China)
Qing Xu, Soochow Univ. (China)
Yong Xu, Soochow Univ. (China)
Xu Chen, Soochow Univ. (China)
Jianhong Wu, Soochow Univ. (China)

Published in SPIE Proceedings Vol. 11336:
AOPC 2019: Nanophotonics
Zhiping Zhou; Xiao-Cong Yuan; Daoxin Dai, Editor(s)

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