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Volume 172, 2014
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Probing the charging mechanisms of carbon nanomaterial polyelectrolytes

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Abstract

Chemical charging of single-walled carbon nanotubes (SWCNTs) and graphenes to generate soluble salts shows great promise as a processing route for electronic applications, but raises fundamental questions. The reduction potentials of highly-charged nanocarbon polyelectrolyte ions were investigated by considering their chemical reactivity towards metal salts/complexes in forming metal nanoparticles. The redox activity, degree of functionalisation and charge utilisation were quantified via the relative metal nanoparticle content, established using thermogravimetric analysis (TGA), inductively coupled plasma atomic emission spectroscopy (ICP-AES) and X-ray photoelectron spectroscopy (XPS). The fundamental relationship between the intrinsic nanocarbon electronic density of states and Coulombic effects during charging is highlighted as an important area for future research.

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Submitted
17 Mar 2014
Accepted
30 Apr 2014
First published
30 Apr 2014

Faraday Discuss., 2014,172, 311-325
Article type
Paper
Author version available

Probing the charging mechanisms of carbon nanomaterial polyelectrolytes

S. A. Hodge, H. H. Tay, D. B. Anthony, R. Menzel, D. J. Buckley, P. L. Cullen, N. T. Skipper, C. A. Howard and M. S. P. Shaffer, Faraday Discuss., 2014, 172, 311
DOI: 10.1039/C4FD00043A

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