Grunlan, J. C. and Liu, L and Kim, Y. S. (2006) Tunable single-walled carbon nanotube microstructure in the liquid and solid states using poly(acrylic acid). NANO LETTERS, 6 (5). pp. 911-915.
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Official URL: http://dx.doi.org/10.1021/nl052486t
Abstract
Poly(acrylic acid) is shown to control the level of SWNT dispersion in aqueous mixtures and the state of dispersion in a solid composite. At low pH, PAA-stabilized suspensions containing 0.1 wt % SWNT have a waterlike viscosity, but this mixture thickens as the pH is raised. This behavior is reversed when pH is again lowered. Changing pH varies the SWNT microstructure between aggregated and well-exfoliated states, as evidenced by electron microscopy and electrical conductivity measurements.
| Item Type: | Article |
|---|---|
| Subjects: | Material Science > Nanofabrication processes and tools Material Science > Nanochemistry Material Science > Nanostructured materials |
| ID Code: | 3758 |
| Deposited By: | SPI |
| Deposited On: | 26 Jan 2009 11:47 |
| Last Modified: | 26 Mar 2009 16:52 |
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