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Molecular Design of Strong Single-wall Carbon Nanotube/polyelectrolyte Multilayer Composites by Arif A. Mamedov; Nicholas A. Kotov; Maurizio Prato; Dirk M. Guldi; James P. Wicksted; Andreas Hirsch is a Materials Science article available to read on EtoBox.
What is Molecular Design of Strong Single-wall Carbon Nanotube/polyelectrolyte Multilayer Composites about?
E xceptional mechanical properties of single-wall carbon nanotubes (SWNT) have prompted intensive studies of SWNT composites. However, the present composites have shown only a moderate strength enhancement when compared with other hybrid materials . Although substantial advances have been made 10 , mechanical properties of SWNT-doped polymers are noticeably below their highly anticipated potential. Pristine SWNTs are well known for poor solubilization, which leads to phase segregation of composites. Severe structural inhomogeneities result in the premature failure of the hybrid SWNT/polymer materials. The connectivity with, and uniform distribution within the matrix are essential structural requirements for the strong SWNT composites . Here we show that a new processing approach based on sequential layering of chemically modified nanotubes and polyelectrolytes can greatly diminish the phase segregation, and render SWNT composites highly homogeneous. Combined with chemical crosslinking, this processing leads to drastically improved mechanical properties. The tensile strength of the composites is several times higher than that of SWNT composites made by mixing, and approaches values
Who reads Molecular Design of Strong Single-wall Carbon Nanotube/polyelectrolyte Multilayer Composites?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Arif A. Mamedov; Nicholas A. Kotov; Maurizio Prato; Dirk M. Guldi; James P. Wicksted; Andreas Hirsch
- Publisher
- Nature Publishing Group; Springer Science and Business Media LLC (ISSN 1476-1122)
- Published
- 2002
- Language
- EN
- Field
- Materials Science (Physical Sciences)