A Review of the Terahertz Conductivity and Photoconductivity of Carbon Nanotubes and Heteronanotubes

Maria G. Burdanova*, Alexey P. Tsapenko, Marianna V. Kharlamova, Esko I. Kauppinen, Boris P. Gorshunov, Junichiro Kono, James Lloyd-Hughes

*Corresponding author for this work

Research output: Contribution to journalReview Articlepeer-review

25 Citations (Scopus)

Abstract

Terahertz (THz) spectroscopy is an ideal non-contact and non-destructive technique that probes the electrical conductivity of nanomaterials. This review presents the current status of research in the THz properties of quasi-1D materials, such as nanotubes (NTs) and NT heterostructures. Detailed descriptions of THz experimental methods (THz time-domain spectroscopy, optical pump-THz probe spectroscopy) and conductivity extraction methods are presented along with the physical models (Drude, plasmon, effective medium theories, etc.) supporting them. Optoelectronic applications, such as optical modulators, switches, and shielding devices, are discussed and illustrate a bright future for these materials.

Original languageEnglish
Article number2101042
Number of pages29
JournalADVANCED OPTICAL MATERIALS
Volume9
Issue number24
Early online date29 Sept 2021
DOIs
Publication statusPublished - Dec 2021
MoE publication typeA2 Review article, Literature review, Systematic review

Keywords

  • carbon nanotubes
  • heteronanotubes
  • terahertz conductivity
  • terahertz photoconductivity

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