The influence of substrate effects when investigating new nanoparticle modified electrodes exemplified by the electroanalytical determination of aspirin on NiO nanoparticles supported on graphite

Batchelor-McAuley, Christopher and Wildgoose, Gregory (2008) The influence of substrate effects when investigating new nanoparticle modified electrodes exemplified by the electroanalytical determination of aspirin on NiO nanoparticles supported on graphite. Electrochemistry Communications, 10 (8). pp. 1129-1131.

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Abstract

The apparent electrocatalytic detection of aspirin and salicylic acid is compared using NiO nanoparticles and microparticles supported on graphitic electrodes using abrasive and non-abrasive (drop-dry) immobilisation. However control experiments revealed that, the observed voltammetry is not due to the immobilised NiO materials, but is instead due to the underlying graphitic substrates. Abrasive immobilisation of NiO microparticles on a graphite electrode abrades the underlying electrode surface, introducing more electroactive edge-plane defects. Even when drop-dry immobilisation is used (i.e. non-abrasive), appropriate control experiments are still required as other experimental methods employed may change the nature of the underlying substrate.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Related URLs:
Depositing User: Rachel Smith
Date Deposited: 29 Mar 2011 15:59
Last Modified: 24 Jul 2019 14:55
URI: https://ueaeprints.uea.ac.uk/id/eprint/27495
DOI: 10.1016/j.elecom.2008.05.034

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