Optical spectroscopy of individual single-walled carbon nanotubes of defined chiral structure |
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Authors: | Sfeir Matthew Y Beetz Tobias Wang Feng Huang Limin Huang X M Henry Huang Mingyuan Hone J O'Brien Stephen Misewich J A Heinz Tony F Wu Lijun Zhu Yimei Brus Louis E |
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Affiliation: | Department of Chemistry, Columbia University, 3000 Broadway, New York, NY 10027, USA. msfeir@bnl.gov |
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Abstract: | We simultaneously determined the physical structure and optical transition energies of individual single-walled carbon nanotubes by combining electron diffraction with Rayleigh scattering spectroscopy. These results test fundamental features of the excited electronic states of carbon nanotubes. We directly verified the systematic changes in transition energies of semiconducting nanotubes as a function of their chirality and observed predicted energy splittings of optical transitions in metallic nanotubes. |
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