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High-performance, single-layer antireflective optical coatings comprising mesoporous silica nanoparticles

Authors
Journal
ACS Applied Materials & Interfaces
1944-8244
Publisher
American Chemical Society
Publication Date
Volume
4
Issue
2
Identifiers
DOI: 10.1021/am201494m
Disciplines
  • Engineering

Abstract

Mesoporous silica nanoparticles are used to fabricate antireflectance coatings on glass substrates. The combination of mesoporous silica nanoparticles in conjunction with a suitable binder material allows mechanically robust single layer coatings with a reflectance <0.1% to be produced by simple wet processing techniques. Further advantages of these films is that their structure results in broadband antireflective properties with a reflection minimum that can tuned between 400 nm and 1900 nm. The ratio of binder material to mesoporous nanoparticles allows control of the refractive index. In this report, we discuss how control of the structural properties of the coatings allows optimization of the optical properties. © 2011 American Chemical Society.

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