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Feedstock-dependent nitrogen configurations of nitrogen-doped single-walled carbon nanotubes in a CVD process

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Abstract

The modification of nitrogen configurations is a viable way to control the electronic properties of nitrogen-doped single-walled carbon nanotubes (N-doped SWCNTs). N-doped SWCNTs were synthesized by a conventional chemical vapor deposition process with a mixed carbon/nitrogen (C/N) feedstock. While higher feedstock flow rates promote the formation of encapsulated N2 molecules, lower flow rates show a predominance of pyridinic and graphitic nitrogen structures as revealed by X-ray photoemission spectroscopy. Therefore, the nitrogen doping in the sp2 carbon network can be controlled by the flow rate of the C/N feedstock.

Graphical abstract: Feedstock-dependent nitrogen configurations of nitrogen-doped single-walled carbon nanotubes in a CVD process

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Publication details

The article was received on 09 Apr 2018, accepted on 05 Jul 2018 and first published on 12 Jul 2018


Article type: Paper
DOI: 10.1039/C8NR02850H
Citation: Nanoscale, 2018, Advance Article
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    Feedstock-dependent nitrogen configurations of nitrogen-doped single-walled carbon nanotubes in a CVD process

    T. Thurakitseree, C. Kramberger and S. Maruyama, Nanoscale, 2018, Advance Article , DOI: 10.1039/C8NR02850H

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