Graphene-based wideband metamaterial absorber for solar cells application

Date

2017-07-01

Author

Rufangura, Patrick
Sabah, Cumali

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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

Collections

Engineering, Article