Strong anisotropy in the far-infrared absorption spectra of stretch-aligned single-walled carbon nanotubes

Akima N; Iwasa Y; Brown S; Barbour AM; Cao JB; Musfeldt JL; Matsui H; Toyota N; Shiraishi M; Shimoda H; Zhou O

Advanced Materials, Vol.18, No.9, 1166-1166, 2006

DOI10.1002/adma.200502505 Export Citation

Strong anisotropy in the far-infrared absorption spectra of stretch-aligned single-walled carbon nanotubes

Akima N, Iwasa Y, Brown S, Barbour AM, Cao JB, Musfeldt JL, Matsui H, Toyota N, Shiraishi M, Shimoda H, Zhou O

Absorption spectroscopy of stretch-aligned single-walled carbon nanotube (SWNT)/polymer composite films from the terahertz through the visible region of the electromagnetic spectrum reveal that the peak centered near 100 cm(-1) is highly polarized along the tube axis (see figure). This result provides new information on the morphology-dependent low-energy response of SWNTs, and may predict application of SWNTs in the terahertz region.