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Fagan JA, Simpson JR, Bauer BJ, et al. Length-dependent optical effects in single-wall carbon nanotubes. J Am Chem Soc. 2007;129(34):10607-12doi: 10.1021/ja073115c.
Fagan, J. A., Simpson, J. R., Bauer, B. J., Lacerda, S. H., Becker, M. L., Chun, J., Migler, K. B., Walker, A. R., & Hobbie, E. K. (2007). Length-dependent optical effects in single-wall carbon nanotubes. Journal of the American Chemical Society, 129(34), 10607-12. https://doi.org/10.1021/ja073115c
Fagan, Jeffrey A, et al. "Length-dependent optical effects in single-wall carbon nanotubes." Journal of the American Chemical Society vol. 129,34 (2007): 10607-12. doi: https://doi.org/10.1021/ja073115c
Fagan JA, Simpson JR, Bauer BJ, Lacerda SH, Becker ML, Chun J, Migler KB, Walker AR, Hobbie EK. Length-dependent optical effects in single-wall carbon nanotubes. J Am Chem Soc. 2007 Aug 29;129(34):10607-12. doi: 10.1021/ja073115c. Epub 2007 Aug 02. PMID: 17672462.
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J Am Chem Soc. 2007 Aug 29;129(34):10607-12. doi: 10.1021/ja073115c. Epub 2007 Aug 02.

Length-dependent optical effects in single-wall carbon nanotubes.

Journal of the American Chemical Society

Jeffrey A Fagan, Jeffrey R Simpson, Barry J Bauer, Silvia H De Paoli Lacerda, Matthew L Becker, Jaehun Chun, Kalman B Migler, Angela R Hight Walker, Erik K Hobbie

Affiliations

  1. National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA.

PMID: 17672462 DOI: 10.1021/ja073115c

Abstract

Among the novel chemical and physical attributes of single-wall carbon nanotubes (SWCNTs), the optical properties are perhaps the most compelling. Although much is known about how such characteristics depend on nanotube chirality and diameter, relatively little is known about how the optical response depends on length, the next most obvious and fundamental nanotube trait. We show here that the intrinsic optical response of single-wall carbon nanotubes exhibits a strong dependence on nanotube length, and we offer a simple explanation that relates this behavior to the localization of a bound exciton along the length of a nanotube. The results presented here suggest that, for a given volume fraction, the longest nanotubes display significantly enhanced absorption, near-infrared fluorescence, and Raman scattering, which has important practical implications for potential applications that seek to exploit the unique optical characteristics of SWCNTs.

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