Redox conduction: its use in electronic devices

It is found that when the Pt and Au potentials are properly poised in relation to the potential at which the Os(III/II) mixed valent state becomes generated, a sandwich electrode composed of a film of the electroactive polymer /Os(bpy)2(vpy)2/2+ placed between a Pt disk electrode and a porous Au fil...

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Bibliographic Details
Published in:Journal of the Electrochemical Society 1984-04, Vol.131 (4), p.833-839
Main Authors: PICKUP, P. G, MURRAY, R. W
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Inorganic and organomineral polymers
Physicochemistry of polymers
Properties and characterization
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Summary:It is found that when the Pt and Au potentials are properly poised in relation to the potential at which the Os(III/II) mixed valent state becomes generated, a sandwich electrode composed of a film of the electroactive polymer /Os(bpy)2(vpy)2/2+ placed between a Pt disk electrode and a porous Au film becomes conductive. The potential control is normally judged using a reference electrode. It is pointed out that the reference electrode can be shorted to, or made common with, the Au electrode so that two-terminal potential control circuitry can be used to induce or not induce redox conduction through the sandwich. Arrangements of this type are used to illustrate principles for using the sandwich electrode as a two-terminal device that acts in a manner similar to a Zener diode and as a triode-like three-terminal device in which the current between two terminals is controlled by the potential applied at the third.
ISSN:0013-4651
1945-7111
DOI:10.1149/1.2115709