Carbon nanotube terahertz spectroscopy: study of absorption and dispersion properties of SWNT and MWNT

Horacio Lamela; Ehsan Dadrasnia; Frédéric Garet; Mohan Babu Kuppam; Jean-Louis Coutaz

doi:10.1117/12.895221

19 September 2011 Carbon nanotube terahertz spectroscopy: study of absorption and dispersion properties of SWNT and MWNT

Horacio Lamela, Ehsan Dadrasnia, Frédéric Garet, Mohan Babu Kuppam, Jean-Louis Coutaz

Author Affiliations +

Proceedings Volume 8101, Carbon Nanotubes, Graphene, and Associated Devices IV; 81010G (2011) https://doi.org/10.1117/12.895221
Event: SPIE NanoScience + Engineering, 2011, San Diego, California, United States

Abstract

In this paper, we report on the optical and electrical properties of single-walled (SWNT) and multi-walled (MWNT) carbon nanotube thin-films investigated by terahertz time-domain spectroscopy. Our study focuses on the absorption and dispersion properties of the single-walled and multi-walled carbon nanotubes in frequency range of 0.1-2 THz. The results show that the single-walled carbon nanotubes thin-films have the great frequency-dependent of the power absorption coefficient, the index of the refraction and conductivity compared to the multi-walled carbon nanotubes thinfilms because more mobile carries of carbon nano-structure as well as effective of carbon nanotubes length and diameter.

Citation Download Citation

Horacio Lamela, Ehsan Dadrasnia, Frédéric Garet, Mohan Babu Kuppam, and Jean-Louis Coutaz "Carbon nanotube terahertz spectroscopy: study of absorption and dispersion properties of SWNT and MWNT", Proc. SPIE 8101, Carbon Nanotubes, Graphene, and Associated Devices IV, 81010G (19 September 2011); https://doi.org/10.1117/12.895221

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