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      Manipulation of solar-absorbing metamaterial coatings for implementing anti-frost and energy-saving transparent glass windows

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          Abstract

          This paper will present a concept to use matermaterial thin film deposited on a window glass to absorb tuned solar spectrum for anti-frost/anti-fog and energy-saving in cold weather, meanwhile the luminous transmittance of the windows can be maintained. In warmer weather, the opposite side of a rotatable window can be turned to face the sunlight to reflect the sunlight away with the perfect mirror function of the base ground layer of the metamaterial thin film. By adjusting base ground coating structure, perfect or non-perfect mirror can be formed for natural solar reflection or transmittance. The metal-dielectric-metal nano-scale metamaterial structures with periodic metal-dielectric interfaces, when shined with light, acquire surface plasmons thus trapping light at subwavelength scales. When the metamaterial film is coated on the outside of a glass window, it will lead to efficient solar radiation absorption, which can be used for anti-frost/anti-fog and energy-saving windows of transportation vehicles and modern buildings. The total thickness of the so-called metamaterial solar absorber thin film is a few tens of nanometer and its absorption band is broad, tunable and insensitive to the angle of incidence.

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          Metamaterial electromagnetic wave absorbers.

          The advent of negative index materials has spawned extensive research into metamaterials over the past decade. Metamaterials are attractive not only for their exotic electromagnetic properties, but also their promise for applications. A particular branch-the metamaterial perfect absorber (MPA)-has garnered interest due to the fact that it can achieve unity absorptivity of electromagnetic waves. Since its first experimental demonstration in 2008, the MPA has progressed significantly with designs shown across the electromagnetic spectrum, from microwave to optical. In this Progress Report we give an overview of the field and discuss a selection of examples and related applications. The ability of the MPA to exhibit extreme performance flexibility will be discussed and the theory underlying their operation and limitations will be established. Insight is given into what we can expect from this rapidly expanding field and future challenges will be addressed. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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            High performance optical absorber based on a plasmonic metamaterial

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              Highly flexible wide angle of incidence terahertz metamaterial absorber: Design, fabrication, and characterization

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                Author and article information

                Contributors
                Journal
                566
                Nanopages
                An Interdisciplinary Journal of Nano Science and Technology
                Nanopages
                Akadémiai Kiadó
                1787-4033
                1788-0718
                October 2016
                : 11
                : 1
                : 13-25
                Affiliations
                [1 ] Illinois Mathematics and Science Academy , Aurora, IL 60506, USA
                [2 ] Neuqua Valley High School , Naperville, IL 60564, USA
                Author notes
                [*]

                Corresponding author, E-mail: wtong@ 123456imsa.edu

                Article
                10.1556/566.2015.0001
                c6be2b71-cf33-4926-be5c-f22f600d6629
                © 2016 Akadémiai Kiadó

                This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium for non-commercial purposes, provided the original author and source are credited.

                History
                : 26 May 2015
                : 28 August 2015
                : 28 December 2015
                Page count
                Pages: 13

                Materials properties,Nanomaterials,Chemistry,Nanotechnology,Analytical chemistry,Thin films & surfaces
                building,heat transfer,metamaterial coating,solar absorber,anti-frost,transportation vehicle,anti-fog,energy-saving,transparent glass window

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