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Controlling voltammetric responses by electrode modification; using adsorbed acetone to switch graphite surfaces between adsorptive and diffusive modes.

Abstract:
Graphite is a highly versatile electrode substrate material but the recorded voltammetric response is regularly complicated by varying degrees of adsorption of the analyte to the surface leading to voltammetry which is complex to analyse. We report how through the pre-adsorption of acetone the electro-activity of the substrate is unhindered but adsorption of an electro-active species is effectively blocked, hence the experimentalist is able to readily tailor the electrode so as to effectively switch the adsorption of the analyte 'on' or 'off'.
Publication status:
Published

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Publisher copy:
10.1039/c0cc03961f

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
Chemical communications (Cambridge, England)
Volume:
46
Issue:
47
Pages:
9037-9039
Publication date:
2010-12-05
DOI:
EISSN:
1364-548X
ISSN:
1359-7345
URN:
uuid:6353bfc4-6d4e-4371-a588-2a68643dd5fb
Source identifiers:
93198
Local pid:
pubs:93198
Language:
English

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