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Fagan JA, Simpson JR, Landi BJ, et al. Dielectric response of aligned semiconducting single-wall nanotubes. Phys Rev Lett. 2007;98(14):147402doi: 10.1103/PhysRevLett.98.147402.
Fagan, J. A., Simpson, J. R., Landi, B. J., Richter, L. J., Mandelbaum, I., Bajpai, V., Ho, D. L., Raffaelle, R., Walker, A. R., Bauer, B. J., & Hobbie, E. K. (2007). Dielectric response of aligned semiconducting single-wall nanotubes. Physical review letters, 98(14), 147402. https://doi.org/10.1103/PhysRevLett.98.147402
Fagan, J A, et al. "Dielectric response of aligned semiconducting single-wall nanotubes." Physical review letters vol. 98,14 (2007): 147402. doi: https://doi.org/10.1103/PhysRevLett.98.147402
Fagan JA, Simpson JR, Landi BJ, Richter LJ, Mandelbaum I, Bajpai V, Ho DL, Raffaelle R, Walker AR, Bauer BJ, Hobbie EK. Dielectric response of aligned semiconducting single-wall nanotubes. Phys Rev Lett. 2007 Apr 06;98(14):147402. doi: 10.1103/PhysRevLett.98.147402. Epub 2007 Apr 06. PMID: 17501312.
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Phys Rev Lett. 2007 Apr 06;98(14):147402. doi: 10.1103/PhysRevLett.98.147402. Epub 2007 Apr 06.

Dielectric response of aligned semiconducting single-wall nanotubes.

Physical review letters

J A Fagan, J R Simpson, B J Landi, L J Richter, I Mandelbaum, V Bajpai, D L Ho, R Raffaelle, A R Hight Walker, B J Bauer, E K Hobbie

Affiliations

  1. National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA. [email protected]

PMID: 17501312 DOI: 10.1103/PhysRevLett.98.147402

Abstract

We report measurements of the full intrinsic optical anisotropy of isolated single-wall carbon nanotubes (SWNTs). By combining absorption spectroscopy with transmission ellipsometry and polarization-dependent resonant Raman scattering, we obtain the real and imaginary parts of the SWNT permittivity from aligned semiconducting SWNTs dispersed in stretched polymer films. Our results are in agreement with theoretical predictions, highlighting the limited polarizability of excitons in a quasi-1D system.

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