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Design and characterization of a dual-band perfect metamaterial absorber for solar cell applications
Date
2016-06-25
Author
Rufangura, Patrick
Sabah, Cumali
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This paper proposes a metamaterial absorber design for solar energy harvesting using a simplified and symmetric structure. A unit cell of this design consists of three important layers namely, the bottom metallic layer, which is gold lossy, the intermediate layer: made of a lossy dielectric material that is gallium arsenide and patches which formed by a combination of gold and gallium arsenide. These three important layers are being carefully arranged at the top of a dielectric spacer. The geometric structure was being examined for its contribution towards absorption characteristics. The simulation results show outstanding dual-bands absorption (99.96% and 99.37%) in the visible frequency regime of electromagnetic wave. Due to the excellent symmetric nature of the proposed structure, its absorptance capacity exhibits polarization insensitivity for a wide range of incident angles for electromagnetic radiation.
Subject Keywords
Dual-band
,
Metamaterial
,
Absorber
,
Solar cells
URI
https://hdl.handle.net/11511/64731
Journal
JOURNAL OF ALLOYS AND COMPOUNDS
DOI
https://doi.org/10.1016/j.jallcom.2016.02.066
Collections
Engineering, Article