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Direct electrodeposition of gold nanoparticles onto indium tin oxide film coated glass: Application to the detection of arsenic(III).

Abstract:
Gold nanoparticle modified indium tin oxide (ITO) film coated glass electrodes were prepared for the first time through direct electrochemical deposition from 0.5 M H2SO4 containing 0.1 mM HAuCl4. The resulting electrode surfaces were characterized with AFM. Cyclic voltammetry and linear sweep voltammetry (LSV) of arsenic(III) on the modified electrodes were performed. After optimization, a LOD of 5 +/- 0.2 ppb was obtained with 60 s deposition at -0.6 V (vs. SCE) in 1 M HNO3 using LSV.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.2116/analsci.22.567

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Publisher:
Japan Society for Analytical Chemistry Publisher's website
Journal:
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry Journal website
Volume:
22
Issue:
4
Pages:
567-570
Publication date:
2006-04-27
Acceptance date:
2006-01-26
DOI:
EISSN:
1348-2246
ISSN:
0910-6340
URN:
uuid:aae4b16f-c26a-45f6-877f-e306e497d3b6
Source identifiers:
33498
Local pid:
pubs:33498
Language:
English

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