The role of geometry in nanoscale rectennas for rectification and energy conversion

N. M. Miskovsky; P. H. Cutler; A. Mayer; B. G. Willis; D. T. Zimmerman; G. J. Weisel; James M. Chen; T. E. Sullivan; P. B. Lerner

doi:10.1117/12.2024187

25 September 2013 The role of geometry in nanoscale rectennas for rectification and energy conversion

N. M. Miskovsky, P. H. Cutler, A. Mayer, B. G. Willis, D. T. Zimmerman, G. J. Weisel, James M. Chen, T. E. Sullivan, P. B. Lerner

Author Affiliations +

Proceedings Volume 8824, Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion IV; 88240P (2013) https://doi.org/10.1117/12.2024187
Event: SPIE Solar Energy + Technology, 2013, San Diego, California, United States

Abstract

We have previously presented a method for optical rectification that has been demonstrated both theoretically and experimentally and can be used for the development of a practical rectification and energy conversion device for the electromagnetic spectrum including the visible portion. This technique for optical frequency rectification is based, not on conventional material or temperature asymmetry as used in MIM or Schottky diodes, but on a purely geometric property of the antenna tip or other sharp edges that may be incorporated on patch antennas. This “tip” or edge in conjunction with a collector anode providing connection to the external circuit constitutes a tunnel junction. Because such devices act as both the absorber of the incident radiation and the rectifier, they are referred to as “rectennas.” Using current nanofabrication techniques and the selective Atomic Layer Deposition (ALD) process, junctions of 1 nm can be fabricated, which allow for rectification of frequencies up to the blue portion of the spectrum (see Section 2).

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N. M. Miskovsky, P. H. Cutler, A. Mayer, B. G. Willis, D. T. Zimmerman, G. J. Weisel, James M. Chen, T. E. Sullivan, and P. B. Lerner "The role of geometry in nanoscale rectennas for rectification and energy conversion", Proc. SPIE 8824, Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion IV, 88240P (25 September 2013); https://doi.org/10.1117/12.2024187

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