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Extremely-broad band metamaterial absorber for solar energy harvesting based on star shaped resonator
Date
2017-07-01
Author
BAĞMANCI, MEHMET
KARAASLAN, MUHARREM
ÜNAL, EMİN
AKGÖL, OĞUZHAN
Sabah, Cumali
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A new metamaterial absorber (MA) is investigated and shown numerically for solar energy harvesting for future solar cell applications. The structure consists of two metals and one dielectric layer having different thicknesses. Owing to this combination, the structure exhibits plasmonic resonance characteristics. In the entire spectrum of visible frequency region, the obtained results show that investigated structure has perfect absorptivity which is above 91.8%. Proposed structure also has 99.87% absorption at 613.94 THz and 99% absorption between 548 and 669 THz. The proposed structure also shows both polarization and angle independency for the entire visible region. The MA based solar cell proposes high absorption with an upper ratio of 90% in the widest range of visible spectrum comparing to the studies in literature. Hence, the proposed metamaterial absorber solar cells can be used for invisibility in entire spectrum of visible light. The absorption characteristics of the solar absorber are also investigated for infrared and ultraviolet region. The enhancement of absorption of the structure will provide new type of sensors in these frequency ranges.
Subject Keywords
Metamaterial
,
Energy harvesting
,
Solar energy
,
Broad band absorber
URI
https://hdl.handle.net/11511/68045
Journal
OPTICAL AND QUANTUM ELECTRONICS
DOI
https://doi.org/10.1007/s11082-017-1091-7
Collections
Engineering, Article
Citation Formats
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MLA
BibTeX
M. BAĞMANCI, M. KARAASLAN, E. ÜNAL, O. AKGÖL, and C. Sabah, “Extremely-broad band metamaterial absorber for solar energy harvesting based on star shaped resonator,”
OPTICAL AND QUANTUM ELECTRONICS
, vol. 49, no. 7, pp. 0–0, 2017, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/68045.