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Coatings 2017, 7(6), 74; doi:10.3390/coatings7060074

Fabrication of Luminescent Antireflective Coatings with CaMoO4:Eu3+/Ag Composite Structure

Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
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Author to whom correspondence should be addressed.
Academic Editor: Pascal Buskens
Received: 10 April 2017 / Revised: 12 May 2017 / Accepted: 31 May 2017 / Published: 2 June 2017
(This article belongs to the Special Issue Antireflective Coatings for Glass and Transparent Polymers)
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Abstract

Highly transparent and luminescent CaMoO4:Eu3+/Ag composite films were fabricated on glass substrates as multifunctional antireflective (AR) coatings. The films were deposited through a combination of a sol–gel dip-coating technique and a hot water treatment. With the addition of an aluminum source in coating solutions, the sol–gel-derived films underwent a remarkable microstructural change during the hot water treatment due to the reaction between an amorphous alumina phase and water. This change brought both an antireflective effect (suppression of Fresnel reflection) and luminescence enhancement (suppression of total internal reflection) to the films. The introduction of Ag nanoparticles into the films further increased luminescence intensity without losing the antireflective effect. View Full-Text
Keywords: antireflective coatings; photoluminescence; nanocomposite; sol–gel method; calcium molybdate; europium; silver nanoparticles antireflective coatings; photoluminescence; nanocomposite; sol–gel method; calcium molybdate; europium; silver nanoparticles
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Matsumoto, K.; Hagiwara, M.; Fujihara, S. Fabrication of Luminescent Antireflective Coatings with CaMoO4:Eu3+/Ag Composite Structure. Coatings 2017, 7, 74.

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