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Enhanced Electrochemical Capacitance of Nitrogen-Doped Carbon Nanotubes Synthesized from Amine Flames

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Author(s): Lingmin Liao | Chunxu Pan

Journal: Soft Nanoscience Letters
ISSN 2160-0600

Volume: 01;
Issue: 01;
Start page: 16;
Date: 2011;
Original page

Keywords: Nitrogen-Doped Carbon Nanotubes | Flame Method | Double layer Capacitor | Electrode Materials | Ca-pacitance

ABSTRACT
This paper presents a new process for synthesizing a kind of nitrogen- doped carbon nanotubes (N-CNTs) with primarily a ‘graphite-like’ structure at N substitutions from flames using n-propylamine and n-butylamine as fuels. When the N-CNTs are used as the supercapacitor electrode materials, they exhibit a much larger capacitance than the regular carbon nanotubes (CNTs). It is proposed that the high proportional ‘graphite-like’ N dopant in the as-grown N-CNTs improves their surface chemical activity and conductivity and then results in a desirable performance for electro-chemical capacitors.
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