Abstract
The mechanism of electronic transport in a buckypaper and in thinner networks of single‐wall carbon nanotubes (SWNTs) of different densities is studied. A systematic trend in changes of the temperature dependences of the electrical conductance is observed as the thickness of the networks changes. Nevertheless, the behaviour typical for conductive networks is present even for very thin networks. The character of the temperature dependences of the electrical conductance of SWNT networks is different from that of an individual SWNT.Various models of electronic transport developed for conductive networks were tested to fit the temperature dependences of the conductance for all samples. In the case of SWNT buckypaper, a model of metallic conduction interrupted by barriers accounts for the data, while for the less metallic thin SWNT networks, the Variable Range Hopping (VRH) model seemed to be more suitable.
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