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Electrochemical Studies of Boron-doped Diamond Electrodes

Published online by Cambridge University Press:  10 February 2011

A. Argoitia ,
H. B. Martin ,
E. J. Rozak ,
U. Landau  and
J. C. Angus
A. Argoitia
Affiliation:
Chemical Engineering Department Case Western Reserve University Cleveland, OH 44106-7217, USA
H. B. Martin
Affiliation:
Chemical Engineering Department Case Western Reserve University Cleveland, OH 44106-7217, USA
E. J. Rozak
Affiliation:
Chemical Engineering Department Case Western Reserve University Cleveland, OH 44106-7217, USA
U. Landau
Affiliation:
Chemical Engineering Department Case Western Reserve University Cleveland, OH 44106-7217, USA
J. C. Angus
Affiliation:
Chemical Engineering Department Case Western Reserve University Cleveland, OH 44106-7217, USA
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Abstract

The evolution of hydrogen and oxygen from a 0.5 M H2SO4 solution on heavily borondoped diamond electrodes was studied. A very wide potential range without water decomposition, from approximately -1.5 to +2.75 V relative to the standard hydrogen electrode, was observed on high quality diamond. A much smaller range, from -0.7 to 1.7 V, and higher background currents were observed on diamond electrodes with significant sp2 content. The Ce(III)/Ce(IV) redox couple was observable on diamond electrodes, but was highly irreversible.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 416: Symposium DD – Diamond for Electronic Applications , 1995 , 349
Copyright
Copyright © Materials Research Society 1996

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References

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