Graphene-based wideband metamaterial absorber for solar cells application

Patrick Rufangura; Cumali Sabah

doi:10.1117/1.JNP.11.036008

1 August 2017 Graphene-based wideband metamaterial absorber for solar cells application

Patrick Rufangura, Cumali Sabah

Author Affiliations +

Journal of Nanophotonics, Vol. 11, Issue 3, 036008 (August 2017). https://doi.org/10.1117/1.JNP.11.036008

Abstract

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.

Citation Download Citation

Patrick Rufangura and Cumali Sabah "Graphene-based wideband metamaterial absorber for solar cells application," Journal of Nanophotonics 11(3), 036008 (1 August 2017). https://doi.org/10.1117/1.JNP.11.036008

Received: 25 May 2017; Accepted: 10 July 2017; Published: 1 August 2017

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