Effective diffusion of electroactive species on hydrogel modified ultramicroelectrodes

Y. J. Yuan; G. G. Wallace; R. John; S. B. Adeloju

doi:10.1016/S0966-7822(98)00034-3

Effective diffusion of electroactive species on hydrogel modified ultramicroelectrodes

Y. J. Yuan, G. G. Wallace, R. John, S. B. Adeloju

Science and Health

University of Wollongong

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

5 Citations (Scopus)

Abstract

Potential step experiments on microelectrodes permit determination of both the effective diffusion coefficient (D) and the concentration of redox sites in gel matrix (C^gel). This benefit arises because the potential step experiment can be performed in two time regimes by applying short and long potential pulses. The effective diffusion of ferrocyanide and ferrocene carboxylic acid was investigated by the reliable potential step measurements for the determination of D and C^gel.

Original language	English
Pages (from-to)	383-391
Number of pages	9
Journal	Polymer Gels and Networks
Volume	6
Issue number	5
DOIs	https://doi.org/10.1016/S0966-7822(98)00034-3
Publication status	Published - Oct 1998

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title = "Effective diffusion of electroactive species on hydrogel modified ultramicroelectrodes",

abstract = "Potential step experiments on microelectrodes permit determination of both the effective diffusion coefficient (D) and the concentration of redox sites in gel matrix (Cgel). This benefit arises because the potential step experiment can be performed in two time regimes by applying short and long potential pulses. The effective diffusion of ferrocyanide and ferrocene carboxylic acid was investigated by the reliable potential step measurements for the determination of D and Cgel.",

author = "Yuan, {Y. J.} and Wallace, {G. G.} and R. John and Adeloju, {S. B.}",

year = "1998",

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T1 - Effective diffusion of electroactive species on hydrogel modified ultramicroelectrodes

AU - Yuan, Y. J.

AU - Wallace, G. G.

AU - John, R.

AU - Adeloju, S. B.

PY - 1998/10

Y1 - 1998/10

N2 - Potential step experiments on microelectrodes permit determination of both the effective diffusion coefficient (D) and the concentration of redox sites in gel matrix (Cgel). This benefit arises because the potential step experiment can be performed in two time regimes by applying short and long potential pulses. The effective diffusion of ferrocyanide and ferrocene carboxylic acid was investigated by the reliable potential step measurements for the determination of D and Cgel.

AB - Potential step experiments on microelectrodes permit determination of both the effective diffusion coefficient (D) and the concentration of redox sites in gel matrix (Cgel). This benefit arises because the potential step experiment can be performed in two time regimes by applying short and long potential pulses. The effective diffusion of ferrocyanide and ferrocene carboxylic acid was investigated by the reliable potential step measurements for the determination of D and Cgel.

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VL - 6

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EP - 391

JO - Polymer Gels and Networks

JF - Polymer Gels and Networks

IS - 5

ER -

Effective diffusion of electroactive species on hydrogel modified ultramicroelectrodes

Abstract

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