Ultralow refractive index coatings consisting of mesoporous silica nanoparticles

Masato Yamaguchi; Hiroyuki Nakayama; Kazuhiro Yamada; Hiroaki Imai

doi:10.1364/OL.34.002060

Ultralow refractive index coatings consisting of mesoporous silica nanoparticles

Masato Yamaguchi, Hiroyuki Nakayama, Kazuhiro Yamada, Hiroaki Imai

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

Highly porous coatings having ultralow refractive index (n = 1.07) and good transparency were obtained using mesoporous silica nanoparticles. Excellent antireflection performance was achieved with six antireflection layers including the mesoporous film as the top layer. The average reflectance in the entire visible wavelength region (380-780 nm) was 0.04-0.22 % at incident angle of 0°-40°. This facile technique for ultralow reflection coatings is potentially applicable to various optical devices to remove many problems caused by reflection.

Original language	English
Pages (from-to)	2060-2062
Number of pages	3
Journal	Optics Letters
Volume	34
Issue number	13
DOIs	https://doi.org/10.1364/OL.34.002060
Publication status	Published - 2009 Jul 1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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Ultralow refractive index coatings consisting of mesoporous silica nanoparticles

Abstract

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