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Gadalla MN, Abdel-Rahman M, Shamim A. Design, optimization and fabrication of a 28.3 THz nano-rectenna for infrared detection and rectification. Sci Rep. 2014;4:4270doi: 10.1038/srep04270.
Gadalla, M. N., Abdel-Rahman, M., & Shamim, A. (2014). Design, optimization and fabrication of a 28.3 THz nano-rectenna for infrared detection and rectification. Scientific reports, 44270. https://doi.org/10.1038/srep04270
Gadalla, M N, et al. "Design, optimization and fabrication of a 28.3 THz nano-rectenna for infrared detection and rectification." Scientific reports vol. 4 (2014): 4270. doi: https://doi.org/10.1038/srep04270
Gadalla MN, Abdel-Rahman M, Shamim A. Design, optimization and fabrication of a 28.3 THz nano-rectenna for infrared detection and rectification. Sci Rep. 2014 Mar 06;4:4270. doi: 10.1038/srep04270. PMID: 24599374; PMCID: PMC3944318.
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Sci Rep. 2014 Mar 06;4:4270. doi: 10.1038/srep04270.

Design, optimization and fabrication of a 28.3 THz nano-rectenna for infrared detection and rectification.

Scientific reports

M N Gadalla, M Abdel-Rahman, Atif Shamim

Affiliations

  1. IMPACT Lab, Computer, Electrical and Mathematical Sciences and Engineering Division King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia.
  2. Prince Sultan Advanced Technologies Research Institute (PSATRI), College of Engineering, King Saud University, Riyadh 11421, Kingdom of Saudi Arabia.

PMID: 24599374 PMCID: PMC3944318 DOI: 10.1038/srep04270

Abstract

The increasing energy demands of the world's population and the quickly diminishing fossil fuel reserves together suggest the urgent need to secure long-lasting alternative and renewable energy resources. Here, we present a THz antenna integrated with a rectifier (rectenna) for harvesting infrared energy. We demonstrate a resonant bowtie antenna that has been optimized to produce highly enhanced localized fields at the bow tip. To benefit from this enhancement, the rectifier is realized between the overlapped antenna's arms using a 0.7 nm copper oxide. The thin film diode offers low zero bias resistance of 500 Ω, thus improving the impedance matching with the antenna. In addition, the rectenna prototype demonstrates high zero bias responsivity (4 A/W), which is critical in producing DC current directly from THz signals without the application of an external electric source, particularly for energy harvesting applications.

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