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    Intrinsic optical transition energies in carbon nanotubes

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    Date Issued
    2005
    Author(s)
    Yin, Yan
    Stolyarov, Alexander
    Tinkham, Michael
    Vamivakas, Anthony
    Bacsa, Wolfgang
    Cronin, Stephen J.
    Walsh, Andrew
    Unlu, M. Selim
    Goldberg, Bennett
    Swan, Anna
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    Permanent Link
    https://hdl.handle.net/2144/18738
    Citation (published version)
    Yan Yin, Stephen Cronin, Andrew Walsh, Alexander Stolyarov, Michael Tinkham, Anthony Vamivakas, Wolfgang Bacsa, M Selim Unlu, Bennett B Goldberg, Anna K Swan. "Intrinsic Optical Transition Energies in Carbon Nanotubes."
    Abstract
    Intrinsic optical transition energies for isolated and individual single wall carbon nanotubes grown over trenches are measured using tunable resonant Raman scattering. Previously measured E22_S optical transitions from nanotubes in surfactants are blue shifted 70-90 meV with respect to our measurements of nanotubes in air. This large shift in the exciton energy is attributed to a larger change of the exciton binding energy than the band-gap renormalization as the surrounding dielectric constant increases.
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