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Graphene-based wideband metamaterial absorber for solar cells application
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Date
2017-07-01
Author
Rufangura, Patrick
Sabah, Cumali
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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A wideband metamaterial (MTM) absorber based on a concentric ring resonator is discussed at visible frequencies. The proposed structure offers a wideband absorption response, where absorption of >70% is gained for the frequency ranging from 537.91 to 635.73 THz. The analysis is conducted on the components of the proposed structure to understand the origin of wideband absorption. Furthermore, a graphene monolayer sheet is integrated to the proposed MTM absorber to optimize its absorptivity, where the studies show enhancement of the absorptivity of the proposed structure up to 26% from its initial absorptivity. MTM absorbers of this kind have potential applications in solar cells. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Subject Keywords
Solar cells
,
Graphene
,
Metamaterial
,
Wideband
,
Absorber
URI
https://hdl.handle.net/11511/65724
Journal
JOURNAL OF NANOPHOTONICS
DOI
https://doi.org/10.1117/1.jnp.11.036008
Collections
Engineering, Article