Electrochemical and related processes at surface conductive diamond-solution interfaces

Arnab Chatterjee; Richard G. Compton; John S. Foord; Mineo Hiramatsu; Frank Marken

doi:10.1002/pssa.200303817

Electrochemical and related processes at surface conductive diamond-solution interfaces

Arnab Chatterjee, Richard G. Compton, John S. Foord, Mineo Hiramatsu, Frank Marken

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4 Citations (SciVal)

Abstract

The electrochemical activity of surface conductive diamond in aqueous media has been investigated for two redox systems, the reduction of Ru (NH ₃)₆³⁺ to Ru (NH₃)₆ ²⁺ and the reduction of Ag⁺ to Ag. Although electrochemical activity is observed, the responses are not as well defined as at conventional boron-doped electrodes, and in particular, poor long term stability is exhibited. This is attributed to a degradation of the electronic properties of the surface conductive phase as a result of the electrochemical reactions themselves, which tend to disrupt chemically the surface hydrogen layer required for surface conductivity, Electroless deposition of Ag is also observed, as a result of the unusual electronic and chemical properlies of surface conducting diamond.

Original language	English
Pages (from-to)	49-55
Number of pages	7
Journal	Physica Status Solidi (A) Applied Research
Volume	199
Issue number	1
DOIs	https://doi.org/10.1002/pssa.200303817
Publication status	Published - 1 Sept 2003

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Electrochemical and related processes at surface conductive diamond-solution interfaces",

abstract = "The electrochemical activity of surface conductive diamond in aqueous media has been investigated for two redox systems, the reduction of Ru (NH 3)63+ to Ru (NH3)6 2+ and the reduction of Ag+ to Ag. Although electrochemical activity is observed, the responses are not as well defined as at conventional boron-doped electrodes, and in particular, poor long term stability is exhibited. This is attributed to a degradation of the electronic properties of the surface conductive phase as a result of the electrochemical reactions themselves, which tend to disrupt chemically the surface hydrogen layer required for surface conductivity, Electroless deposition of Ag is also observed, as a result of the unusual electronic and chemical properlies of surface conducting diamond.",

author = "Arnab Chatterjee and Compton, {Richard G.} and Foord, {John S.} and Mineo Hiramatsu and Frank Marken",

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AU - Chatterjee, Arnab

AU - Compton, Richard G.

AU - Foord, John S.

AU - Hiramatsu, Mineo

AU - Marken, Frank

PY - 2003/9/1

Y1 - 2003/9/1

N2 - The electrochemical activity of surface conductive diamond in aqueous media has been investigated for two redox systems, the reduction of Ru (NH 3)63+ to Ru (NH3)6 2+ and the reduction of Ag+ to Ag. Although electrochemical activity is observed, the responses are not as well defined as at conventional boron-doped electrodes, and in particular, poor long term stability is exhibited. This is attributed to a degradation of the electronic properties of the surface conductive phase as a result of the electrochemical reactions themselves, which tend to disrupt chemically the surface hydrogen layer required for surface conductivity, Electroless deposition of Ag is also observed, as a result of the unusual electronic and chemical properlies of surface conducting diamond.

AB - The electrochemical activity of surface conductive diamond in aqueous media has been investigated for two redox systems, the reduction of Ru (NH 3)63+ to Ru (NH3)6 2+ and the reduction of Ag+ to Ag. Although electrochemical activity is observed, the responses are not as well defined as at conventional boron-doped electrodes, and in particular, poor long term stability is exhibited. This is attributed to a degradation of the electronic properties of the surface conductive phase as a result of the electrochemical reactions themselves, which tend to disrupt chemically the surface hydrogen layer required for surface conductivity, Electroless deposition of Ag is also observed, as a result of the unusual electronic and chemical properlies of surface conducting diamond.

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Electrochemical and related processes at surface conductive diamond-solution interfaces

Abstract

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