13 November 2014 Properties of single wall carbon nanotubes array antennas in the optical regime
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Abstract
Single wall carbon nanotubes (SWCNTs) can be metallic, depending on their chirality. For their nanoscale geometric dimension, SWCNTs can be used as antennas to convert high-frequency electromagnetic radiation such as optical radiation into localized energy and vice versa. However, at optical frequencies, traditional antenna design theory fails for metals behave as strongly coupled plasmas. As a matter of fact, an optical antenna responds to a shorter effective wavelength which depends on the material properties and geometric parameters. In this letter, we derived the relationship of effective wavelength with the wavelength of incident radiation for SWCNTs optical antenna, assuming that the SWCNTs can be described by a free electron gas according to the Drude model. SWCNTs optical antenna holds great promise for increasing solar energy conversion efficiency.
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Xiaofang Wu, Yuesong Jiang, Houqiang Hua, "Properties of single wall carbon nanotubes array antennas in the optical regime", Proc. SPIE 9277, Nanophotonics and Micro/Nano Optics II, 92771L (13 November 2014); doi: 10.1117/12.2071571; https://doi.org/10.1117/12.2071571
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