Dramatic electrical conductivity improvement of carbon nanotube networks by simultaneous de-bundling and hole-doping with chlorosulfonic acid
- 29 February 2012
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 22 (14), 6959-6964
- https://doi.org/10.1039/c2jm16000e
Abstract
An extremely high electrical conductivity, 1.7 × 106 S m−1, was obtained from the films that are made of de-bundled double-wall carbon nanotubes with chlorosulfonic acid (CSA). The influence of de-bundling four different carbon nanotubes with three different surfactants (CSA, N-methyl-2-pyrrolidone, and sodium dodecylbenzenesulfonate) on electrical conductivity and thermopower was compared and analyzed with electron micrographs and Raman spectra.Keywords
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