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Citation: DOU Wen-Ling, XIN Xia, XU Gui-Ying. Dispersion of Carbon Nanotubes by Amphiphilic Molecules[J]. Acta Physico-Chimica Sinica, ;2009, 25(02): 382-388. doi: 10.3866/PKU.WHXB20090232 shu

Dispersion of Carbon Nanotubes by Amphiphilic Molecules

1.
Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100, P. R. China

Received Date: 28 September 2008
Available Online: 4 December 2008

Recently, plenty of attention has been paid to the dispersion of carbon nanotubes by amphiphilic molecules. In this paper, different mechanisms for a non-covalent dispersion of carbon nanotubes are summarized from the three fields of surfactants, polymers, and biomacromolecules. Ionic surfactants or polyelectrolytes mainly depend on an electrostatic repulsion between hydrophilic groups to prevent carbon nanotube aggregation while non-ionic surfactants or polymers mainly rely on a steric stabilization of hydrophilic groups to disperse the carbon nanotubes.
- Carbon nanotube; Dispersion; Surfactant; Polymer; Biomacromolecule
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