R.D. Murphy, R.O. Watts
Journal of Low Temperature Physics
We have measured the photoconductivity excitation spectra of individual semiconducting carbon nanotubes incorporated as the channel of field-effect transistors. In addition to the pronounced resonance that correlates with the second van Hove transition (E 22) in semiconducting carbon nanotubes, a weaker sideband at about 200 meV higher energy is observed. Electronic structure calculations that include electron-phonon coupling indicate that the spectra originate from the simultaneous excitation of an exciton (main resonance) and a C-C bond stretching phonon (sideband). The spectral features are not compatible with an interband interpretation of the excitation involved. © 2005 American Chemical Society.
R.D. Murphy, R.O. Watts
Journal of Low Temperature Physics
S. Cohen, J.C. Liu, et al.
MRS Spring Meeting 1999
Corneliu Constantinescu
SPIE Optical Engineering + Applications 2009
Revanth Kodoru, Atanu Saha, et al.
arXiv