Small angle neutron scattering from single-wall carbon nanotube suspensions : evidence for isolated rigid rods and rod networks

@inproceedings{Zhou2004SmallAN,
  title={Small angle neutron scattering from single-wall carbon nanotube suspensions : evidence for isolated rigid rods and rod networks},
  author={Weihang Zhou and Mohammad F Islam and H. Wang and Derek L. Ho and A. G. Yodh and Karen I Winey and J. E. Fischer},
  year={2004}
}
We report small angle neutron scattering (SANS) from dilute suspensions of purified individual single wall carbon nanotubes (SWNTs) in D2O with added sodium dodecylbenzene sulfonate (NaDDBS) ionic surfactant. The scattered intensity scales as Q-1 for scattered wave vector, Q, in the range 0.005 < Q < 0.02 Å-1. The Q-1 behavior is characteristic of isolated rigid rods. A crossover of the scattered intensity power law dependence from Q-1 to Q-2 is observed at ~0.004 Å-1, suggesting the SWNTs form… CONTINUE READING
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