In this paper, for the first time, an investigation in terms of efficiency of an energy harvester based on a plasmonic nanorectenna array is proposed. The novel proposed mirrored-arrowhead nanoantenna presents a very low impedance value at the resonant frequency which reduces the mismatching between the antenna and rectifier circuit. Simulation results carried out by the CST 2020 Studio show a resistance value equal to 1.1 kohms at about 350 THz and a very wide bandwidth as the equivalent RF rhombic antenna. This study paves the way to nanoantennas for high-efficiency electromagnetic energy harvesting applications overcoming the photovoltaic technology.
Zinno A., Scalici M., Livreri P. (2022). A High-Efficiency Optical Energy Harvester based on a Low-Impedance Plasmonic Nanoantenna. In MELECON 2022 - IEEE Mediterranean Electrotechnical Conference, Proceedings (pp. 1019-1023). Institute of Electrical and Electronics Engineers Inc. [10.1109/MELECON53508.2022.9842874].
A High-Efficiency Optical Energy Harvester based on a Low-Impedance Plasmonic Nanoantenna
Zinno A.;Livreri P.
2022-01-01
Abstract
In this paper, for the first time, an investigation in terms of efficiency of an energy harvester based on a plasmonic nanorectenna array is proposed. The novel proposed mirrored-arrowhead nanoantenna presents a very low impedance value at the resonant frequency which reduces the mismatching between the antenna and rectifier circuit. Simulation results carried out by the CST 2020 Studio show a resistance value equal to 1.1 kohms at about 350 THz and a very wide bandwidth as the equivalent RF rhombic antenna. This study paves the way to nanoantennas for high-efficiency electromagnetic energy harvesting applications overcoming the photovoltaic technology.
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