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Local Aromaticity of Pristine and Fluorinated Carbon Nanotubes

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Abstract:

We examine the use of nucleus independent chemical shifts (NICS) as a tool for analysis of pristine and fluorinated finite-length carbon nanotubes. The introduction of both variable molecule length and different nanotube curvatures introduces additional subtleties to NICS analysis not present in analysis of more conventional 2D molecules. Notably the precise length of tube segment considered can strongly influence calculated NICS values. We provide specific examples using (6,6) and (7,7) nanotube segments under fluorination. Although care should be taken when comparing systems of different length or curvature, important chemical information can still be retrieved from the local aromaticity patterns. In particular, local aromaticity is observed to play a relevant role in the orientation towards the ideal C4F addition pattern for fluorinated carbon nanotubes.

Keywords: AROMATICITY; FLUORINATION; NUCLEUS INDEPENDENT CHEMICAL SHIFTS; SINGLE-WALLED CARBON NANOTUBES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2009.1570

Publication date: October 1, 2009

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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