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Dispersability and particle size distribution of CNTs in an aqueous surfactant dispersion as a function of ultrasonic treatment time

Open access
Krause, Beate, Mende, Mandy, Pötschke, Petra, Petzold, Gudrun·2010·Carbon

Abstract

Abstract The dispersability of carbon nanotubes (CNTs) was assessed by studying the sedimentation of CNTs dispersed in aqueous surfactant solutions at different ultrasonication treatment times using a LUMiSizer® apparatus under centrifugal forces. Different commercially available multiwalled CNTs, namely Baytubes® C150P, Nanocyl™ NC7000, Arkema Graphistrength® C100, and FutureCarbon CNT-MW showing quite different kinetics were compared. In addition, the particle size distributions were analyzed using dynamic light scattering and centrifugal separation analysis. The best dispersabilities were found for Nanocyl™ NC7000 and FutureCarbon CNT-MW; to prepare stable dispersions of Baytubes® C150P or Graphistrength® C100 five times the energy was needed. As a result of the centrifugal separation analysis, it was concluded that Nanocyl™ NC7000 and Baytubes® C150P were dispersed as single nanotubes using ultrasonic treatment whereas small agglomerates or bundles are existing in dispersions containing FutureCarbon CNT-MW and Graphistrength® C100.

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Metadata

Authors
Krause, B., Mende, M., Pötschke, P., & Petzold, G.
Venue
Carbon
Publisher
Elsevier BV
Published
2010-08
Volume
48
Issue
10
Pages
2746-2754
ISSN
0008-6223 (ISSN-L)
OpenAlex
W2072309488
Cited by
260
References
0
FWCI
8.34
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Dispersability and particle size distribution of CNTs in an aqueous surfactant dispersion as a function of ultrasonic treatment time. https://app.cochat.ai/papers/10.1016/j.carbon.2010.04.002
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Krause, B., Mende, M., Pötschke, P., & Petzold, G. (2010). Dispersability and particle size distribution of CNTs in an aqueous surfactant dispersion as a function of ultrasonic treatment time. Carbon. https://doi.org/10.1016/j.carbon.2010.04.002

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