Journal
MATERIALS EXPRESS
Volume 3, Issue 1, Pages 37-42Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/mex.2013.1096
Keywords
Carbon Nanotubes; Dispersion; Depolarized Dynamic Light Scattering; Raman Scattering; Transmission Electron Microcopy
Funding
- Ministry of Economy Trade and Industry (METI)
- New Energy and Industrial Technology Development Organization of Japan (NEDO) [P06041]
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Evaluation of size and morphology of carbon nanotubes in solution has been one of the key issues for their applications. Here we investigate the dispersion states of several multi-walled carbon nanotubes (MWCNTs) in aqueous solutions by the depolarized dynamic light scattering (DDLS) technique. The estimated size and morphology by monitoring the rotational diffusion and the translational diffusion are compared with those obtained by transmission electron microscope (TEM) image analysis. Agreement between the DDLS and TEM results suggest that DDLS is a quite powerful tool for evaluating the morphology of MWCNTs in solutions.
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