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Research Article | Open Access
Quantum Transport Properties of Chemically Functionalized Long Semiconducting Carbon Nanotubes
Stephan Roche1,3(
)
)Abstract
We present a first-principles study of the electronic transport properties of micrometer long semiconducting carbon nanotubes randomly covered with carbene functional groups. Whereas prior studies suggested that metallic tubes are hardly affected by such addends, we show here that the conductance of semiconducting tubes with standard diameter is, on the contrary, severely damaged. The configurational-averaged conductance as a function of tube diameter, with a coverage of up to one hundred molecules, is extracted. Our results indicate that the search for a conductance-preserving covalent functionalization route remains a challenging issue.
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Pages 288-295
Cite this article:
Lopez-Bezanilla A, Blase X, Roche S. Quantum Transport Properties of Chemically Functionalized Long Semiconducting Carbon Nanotubes. Nano Research, 2010, 3(4): 288-295. https://doi.org/10.1007/s12274-010-1032-2
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