Seebeck Nanoantennas for Solar Energy Harvesting
E. Briones, J. Briones, A. Cuadrado, J. C. Martinez-Anton, S., McMurtry, M. Hehn, F. Montaigne, J. Alda, F. J. Gonzalez
TL;DR
This paper introduces thermocouple optical antennas designed for mid-infrared solar energy harvesting, demonstrating their ability to generate electrical signals and discussing strategies to enhance their efficiency for photovoltaic applications.
Contribution
It presents a novel thermocouple optical antenna design for solar energy harvesting, with numerical and theoretical analysis of its efficiency and potential improvements.
Findings
Antennas can generate low-power dc signals from light
Theoretical evaluation of optical-to-electrical conversion efficiency
Strategies discussed to improve device performance
Abstract
We propose a mid-infrared device based on thermocouple optical antennas for light sensing and energy harvesting applications. We numerically demonstrate that antennas are able to generate low-power dc signals by beneficing of the thermoelectric properties of the metals that constitute them. We theoretically evaluate the optical-to-electrical conversion efficiency for harvesting applications and finally discuss strategies to increase its performance. Thermocouple optical antennas therefore open the route toward the design of photovoltaic devices.
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