EPJ Appl. Metamat.
Volume 6, 2019
|Number of page(s)||11|
|Published online||18 February 2019|
Highly efficient and tunable selective absorber design based on metallic nanoparticles in a graded index dielectric
Department of Mathematics and Physics, The International University of Beirut, Beirut, Lebanon
* e-mail: firstname.lastname@example.org
Accepted: 21 January 2019
Published online: 18 February 2019
We propose a novel solar selective absorber design based on transverse localized surface plasmon resonances of infinite metallic nanorods embedded in a graded index dielectric slab. The physics principles on which the design is based are explained, and decent results are obtained by numerical simulations; solar absorptance values exceeding 0.99 are reached together with a near-zero infrared emittance. The proposed structure design offers a flexible tunability of thermal emission, and this spectral control over thermal emission promises advances not only in solar energy harvesting efficiency, but also in sensing, camouflage, and other thermal management applications.
Key words: Surface plasmon resonance / nanorods / graded index material / solar selective absorber / thermal emission design
© R. Hamam and A.J. Sabbah, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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