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
Depositing User: Rachel Smith
Date Deposited: 21 Jun 2011 15:08
Last Modified: 21 Apr 2020 19:33
URI: https://ueaeprints.uea.ac.uk/id/eprint/33025
DOI: 10.1021/cm071412a

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