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Open AccessArticle

Influence of the Sonication Temperature on the Debundling Kinetics of Carbon Nanotubes in Propan-2-ol

1
The Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Pigdons Road, Waurn Ponds 3216, Victoria, Australia
2
The Institute for Sustainability and Innovation, Victoria University, Werribee Campus, Hoppers Lane, Werribee P.O. Box 14428, Melbourne 8001, Victoria, Australia
3
CSIRO Materials Science and Engineering, Private bag 10, Clayton 3168, Victoria, Australia
4
CSIRO Materials Science and Engineering, Henry Street, Belmont 2316, Victoria, Australia
5
School of Engineering and Science, Victoria University, Footscray Park Campus P.O. Box 14428, Melbourne 8001, Victoria, Australia
*
Author to whom correspondence should be addressed.
Nanomaterials 2013, 3(1), 70-85; https://doi.org/10.3390/nano3010070
Received: 6 December 2012 / Revised: 7 January 2013 / Accepted: 24 January 2013 / Published: 31 January 2013
(This article belongs to the Special Issue CNT based Nanomaterials)
The effect of sonication temperature on the debundling of carbon nanotube (CNT) macro-bundles is reported and demonstrated by analysis with different particle sizing methods. The change of bundle size over time and after several comparatively gentle sonication cycles of suspensions at various temperatures is reported. A novel technique is presented that produces a more homogeneous nanotube dispersion by lowering the temperature during sonication. We produce evidence that temperature influences the suspension stability, and that low temperatures are preferable to obtain better dispersion without increasing damage to the CNT walls. View Full-Text
Keywords: carbon nanotube (CNT) dispersion; cryo-sonication; air/water/CNT interface characterization; nanotube debundling kinetics carbon nanotube (CNT) dispersion; cryo-sonication; air/water/CNT interface characterization; nanotube debundling kinetics
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Dumée, L.; Sears, K.; Schütz, J.; Finn, N.; Duke, M.; Gray, S. Influence of the Sonication Temperature on the Debundling Kinetics of Carbon Nanotubes in Propan-2-ol. Nanomaterials 2013, 3, 70-85.

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