Differentiating between ortho- and para-quinone surface groups on graphite, glassy carbon, and carbon nanotubes using organic and inorganic voltammetric and X-ray photoelectron spectroscopy labels

Thorogood, Charles A., Wildgoose, Gregory G., Crossley, Alison, Jacobs, Robert M. J., Jones, John H. and Compton, Richard G. (2007) Differentiating between ortho- and para-quinone surface groups on graphite, glassy carbon, and carbon nanotubes using organic and inorganic voltammetric and X-ray photoelectron spectroscopy labels. Chemistry of Materials, 19 (20). pp. 4964-4974. ISSN 0897-4756

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Abstract

Ortho-Quinones can be differentiated from other oxygen-contg. surface functional groups on the surfaces of graphite, glassy C, bamboo-like, and hollow-tube multiwalled C nanotubes and single-walled C nanotubes by chem. labeling them with either an inorg. hexaamminechromium(III) complex or org. 1,2-phenylenediamine derivs. Both types of labels can be obsd. using cyclic voltammetry or by XPS and used to quantify the nos. and relative distribution of ortho-quinones from other oxygen-contg. species on the surface including electroactive para-quinones which are not labeled. Labeling of ortho-quinones with 1,2-phenylenediamine derivs. gave phenazine-like adducts on the graphitic surface which have a distinct voltammetry particularly from that of the underivatized para-quinones. [on SciFinder(R)]

Item Type:	Article
Additional Information:	CAPLUS AN 2007:1022086(Journal)
Uncontrolled Keywords:	phenylenediamine labeling differentiation ortho quinone surface,differentiating ortho para quinone surface graphite glassy carbon nanotube,chromium ammine complex labeling differentiation ortho quinone surface,cyclic voltammetry xps labeling ortho quinone surface differentiation
Faculty \ School:	Faculty of Science > School of Chemistry
UEA Research Groups:	Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Synthetic Chemistry (former - to 2017)
Depositing User:	Rachel Smith
Date Deposited:	21 Jun 2011 15:08
Last Modified:	09 Jan 2024 01:23
URI:	https://ueaeprints.uea.ac.uk/id/eprint/33025
DOI:	10.1021/cm071412a

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