Terahertz electrical and optical characteristics of double-walled carbon nanotubes and their comparison with single-walled carbon nanotubes

Inhee Maeng; Chul Kang; Seung Jae Oh; Joo Hiuk Son; Kay Hyeok An; Young Hee Lee

doi:10.1063/1.2435338

Terahertz electrical and optical characteristics of double-walled carbon nanotubes and their comparison with single-walled carbon nanotubes

Inhee Maeng, Chul Kang, Seung Jae Oh, Joo Hiuk Son, Kay Hyeok An, Young Hee Lee

Department of Physics

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65 Scopus citations

Abstract

The electrical and optical properties of double-walled carbon nanotubes (DWNTs) have been characterized and compared with those of single-walled carbon nanotubes (SWNTs) utilizing terahertz time-domain spectroscopy. The power absorption and the complex refractive indices of DWNTs are smaller than those of SWNTs. The conductivity of DWNTs was also observed to be smaller. The experimental results have been fitted with the Bruggman effective medium approximations, which has yielded the transport parameters of DWNTs such as plasma frequency, damping rate, etc.

Original language	English
Article number	051914
Journal	Applied Physics Letters
Volume	90
Issue number	5
DOIs	https://doi.org/10.1063/1.2435338
State	Published - 2007

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10.1063/1.2435338

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abstract = "The electrical and optical properties of double-walled carbon nanotubes (DWNTs) have been characterized and compared with those of single-walled carbon nanotubes (SWNTs) utilizing terahertz time-domain spectroscopy. The power absorption and the complex refractive indices of DWNTs are smaller than those of SWNTs. The conductivity of DWNTs was also observed to be smaller. The experimental results have been fitted with the Bruggman effective medium approximations, which has yielded the transport parameters of DWNTs such as plasma frequency, damping rate, etc.",

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AU - Son, Joo Hiuk

AU - An, Kay Hyeok

AU - Lee, Young Hee

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Terahertz electrical and optical characteristics of double-walled carbon nanotubes and their comparison with single-walled carbon nanotubes

Abstract

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