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Electronics 2017, 6(4), 99; https://doi.org/10.3390/electronics6040099

THz Rectennas and Their Design Rules

D.E.I., University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy
These authors contributed equally to this work.
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Received: 22 September 2017 / Revised: 20 October 2017 / Accepted: 1 November 2017 / Published: 17 November 2017
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Abstract

The increasing demand for more efficient energy harvesting solutions has urged research for better harvesting solutions than the presently-available ones. While p-n junction solar cells have become commercially widespread, they are expensive and suffer from poor efficiency figures hardly reaching 20%. Other radiation-electricity converters such as rectennas have a theoretical limit in excess of 80%. However, no efficient rectenna solution for the terahertz frequency band has been commercialized or presented in the academic literature. In fact, there are many obstructions to an efficient solution. The aim of this paper is to address the key points towards an efficient and commercially-available solution by briefly reviewing the relevant literature and so identifying five factors that should be addressed in order to reach an efficient solution. View Full-Text
Keywords: THz rectennas; tunneling diode; geometric diode; waste heat; transfer matrix method; QTBM model; non-equilibrium Green function model; Seebeck effect; rectenna detectors; nonlinear circuit THz rectennas; tunneling diode; geometric diode; waste heat; transfer matrix method; QTBM model; non-equilibrium Green function model; Seebeck effect; rectenna detectors; nonlinear circuit
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Shanawani, M.; Masotti, D.; Costanzo, A. THz Rectennas and Their Design Rules. Electronics 2017, 6, 99.

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