Boron-doped diamond dual-plate deep-microtrench device for generator-collector sulfide sensing

Harriet M. Harvey; Andrew J. Gross; Paula Brooksby; Alison J. Downard; Stephen J. Green; C. Peter Winlove; Nigel Benjamin; Paul G. Winyard; Matthew Whiteman; Jules L. Hammond; Pedro Estrela; Frank Marken

doi:10.1002/elan.201500288

Boron-doped diamond dual-plate deep-microtrench device for generator-collector sulfide sensing

Harriet M. Harvey
, Andrew J. Gross
, Paula Brooksby
, Alison J. Downard
, Stephen J. Green
, C. Peter Winlove
, Nigel Benjamin
, Paul G. Winyard
, Matthew Whiteman
, Jules L. Hammond
, Pedro Estrela
, Frank Marken

University of Canterbury
University of Exeter

Research output: Contribution to journal › Article › peer-review

6 Citations (SciVal)

255 Downloads (Pure)

Abstract

A BDD-BDD dual-plate microtrench electrode with 6 μm inter-electrode spacing is investigated using generator-collector electrochemistry and shown to give microtrench depth-dependent sulfide detection down to the μM levels. The effect of the microtrench depth is compared for a “shallow” 44 μm and a “deep” 180 μm microtrench and linked to the reduction of oxygen to hydrogen peroxide which interferes with sulfide redox cycling. With a deeper microtrench and a fixed collector potential at −1.4 V vs. SCE, two distinct redox cycling potential domains are observed at 0.0 V vs. SCE (2-electron) and at 1.1 V vs. SCE (6-electron).

Original language	English
Pages (from-to)	2645-2653
Number of pages	9
Journal	Electroanalysis
Volume	27
Issue number	11
Early online date	14 Jul 2015
DOIs	https://doi.org/10.1002/elan.201500288
Publication status	Published - Nov 2015

Keywords

chloride
serum
seawater
inflammation
feedback
sensing
voltametry

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10.1002/elan.201500288

Sulfide_junction_1ffff_final
This is the submitted version of the following article: Harvey, HM, Gross, A, Brooksby, P, Downard, AJ, Green, SJ, Winlove, CP, Benjamin, N, Winyard, PG, Whiteman, M, Hammond, J, Estrela, P & Marken, F 2015, 'Boron-Doped Diamond Dual-Plate Deep-Microtrench Device for Generator-Collector Sulfide Sensing' Electroanalysis, vol 27, no. 11, pp. 2645-2653 which has been published in final form at http://dx.doi.org/10.1002/elan.201500288. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Submitted manuscript, 1.18 MB

http://dx.doi.org/10.1002/elan.201500288

Cite this

@article{c7332d0e59b643d3b3284935e855674d,

title = "Boron-doped diamond dual-plate deep-microtrench device for generator-collector sulfide sensing",

abstract = "A BDD-BDD dual-plate microtrench electrode with 6 μm inter-electrode spacing is investigated using generator-collector electrochemistry and shown to give microtrench depth-dependent sulfide detection down to the μM levels. The effect of the microtrench depth is compared for a “shallow” 44 μm and a “deep” 180 μm microtrench and linked to the reduction of oxygen to hydrogen peroxide which interferes with sulfide redox cycling. With a deeper microtrench and a fixed collector potential at −1.4 V vs. SCE, two distinct redox cycling potential domains are observed at 0.0 V vs. SCE (2-electron) and at 1.1 V vs. SCE (6-electron).",

keywords = "chloride, serum, seawater, inflammation, feedback, sensing, voltametry",

author = "Harvey, \{Harriet M.\} and Gross, \{Andrew J.\} and Paula Brooksby and Downard, \{Alison J.\} and Green, \{Stephen J.\} and Winlove, \{C. Peter\} and Nigel Benjamin and Winyard, \{Paul G.\} and Matthew Whiteman and Hammond, \{Jules L.\} and Pedro Estrela and Frank Marken",

year = "2015",

month = nov,

doi = "10.1002/elan.201500288",

language = "English",

volume = "27",

pages = "2645--2653",

journal = "Electroanalysis",

issn = "1040-0397",

publisher = "Wiley-VCH Verlag",

number = "11",

}

TY - JOUR

T1 - Boron-doped diamond dual-plate deep-microtrench device for generator-collector sulfide sensing

AU - Harvey, Harriet M.

AU - Gross, Andrew J.

AU - Brooksby, Paula

AU - Downard, Alison J.

AU - Green, Stephen J.

AU - Winlove, C. Peter

AU - Benjamin, Nigel

AU - Winyard, Paul G.

AU - Whiteman, Matthew

AU - Hammond, Jules L.

AU - Estrela, Pedro

AU - Marken, Frank

PY - 2015/11

Y1 - 2015/11

N2 - A BDD-BDD dual-plate microtrench electrode with 6 μm inter-electrode spacing is investigated using generator-collector electrochemistry and shown to give microtrench depth-dependent sulfide detection down to the μM levels. The effect of the microtrench depth is compared for a “shallow” 44 μm and a “deep” 180 μm microtrench and linked to the reduction of oxygen to hydrogen peroxide which interferes with sulfide redox cycling. With a deeper microtrench and a fixed collector potential at −1.4 V vs. SCE, two distinct redox cycling potential domains are observed at 0.0 V vs. SCE (2-electron) and at 1.1 V vs. SCE (6-electron).

AB - A BDD-BDD dual-plate microtrench electrode with 6 μm inter-electrode spacing is investigated using generator-collector electrochemistry and shown to give microtrench depth-dependent sulfide detection down to the μM levels. The effect of the microtrench depth is compared for a “shallow” 44 μm and a “deep” 180 μm microtrench and linked to the reduction of oxygen to hydrogen peroxide which interferes with sulfide redox cycling. With a deeper microtrench and a fixed collector potential at −1.4 V vs. SCE, two distinct redox cycling potential domains are observed at 0.0 V vs. SCE (2-electron) and at 1.1 V vs. SCE (6-electron).

KW - chloride

KW - serum

KW - seawater

KW - inflammation

KW - feedback

KW - sensing

KW - voltametry

UR - http://dx.doi.org/10.1002/elan.201500288

UR - http://onlinelibrary.wiley.com/doi/10.1002/elan.201500288/abstract;jsessionid=A150AB498AE8121C7D51166492D77B98.f02t01

U2 - 10.1002/elan.201500288

DO - 10.1002/elan.201500288

M3 - Article

SN - 1040-0397

VL - 27

SP - 2645

EP - 2653

JO - Electroanalysis

JF - Electroanalysis

IS - 11

ER -

Boron-doped diamond dual-plate deep-microtrench device for generator-collector sulfide sensing

Abstract

Keywords

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Nanogap Electrochemistry and Sensor Technology at the Molecular Limit

MC2-Electron Microscopy (EM)

Cite this

Boron-doped diamond dual-plate deep-microtrench device for generator-collector sulfide sensing

Abstract

Keywords

Access to Document

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Fingerprint

Projects

Nanogap Electrochemistry and Sensor Technology at the Molecular Limit

Equipment

MC2-Electron Microscopy (EM)

Cite this