Applications of Redox Contacts for Metal and Semiconductor Rotating Ring-Disk Electrodes

Lynn Schneemeyer, Joseph M. Rosamilia, Barry Miller

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Abstract

A design of a rotating ring-disk electrode with an electrolytic back-contact cell for the disk has been implemented and tested. Both the disk, acting as a bipolar electrode between a conventional cell and back compartment, and the back-electrolyte are made readily interchangeable. The most significant application is to semiconductor disks where ohmic contacts may be intricate to fabricate, as for the p-InP example experimentally investigated here. However, control of the back-cell characteristics when there is a front metallic disk allows blocking current flow (anodic or cathodic) in a selected direction over some potential range. Application of this principle to amperometric end-point detection in titrimetry illustrates how selective response to mixed redox couples introduced by this diode-like effect can be put to effective use with conventional metal electrodes.

Original languageEnglish
Pages (from-to)2423-2428
Number of pages6
JournalJournal of the Electrochemical Society
Volume133
Issue number11
DOIs
StatePublished - 1 Jan 1986

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Metals
Semiconductor materials
Electrodes
electrodes
rings
metals
Ohmic contacts
Electrolytes
cells
Diodes
compartments
electric contacts
diodes
Oxidation-Reduction
electrolytes
Direction compound

Cite this

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abstract = "A design of a rotating ring-disk electrode with an electrolytic back-contact cell for the disk has been implemented and tested. Both the disk, acting as a bipolar electrode between a conventional cell and back compartment, and the back-electrolyte are made readily interchangeable. The most significant application is to semiconductor disks where ohmic contacts may be intricate to fabricate, as for the p-InP example experimentally investigated here. However, control of the back-cell characteristics when there is a front metallic disk allows blocking current flow (anodic or cathodic) in a selected direction over some potential range. Application of this principle to amperometric end-point detection in titrimetry illustrates how selective response to mixed redox couples introduced by this diode-like effect can be put to effective use with conventional metal electrodes.",
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Applications of Redox Contacts for Metal and Semiconductor Rotating Ring-Disk Electrodes. / Schneemeyer, Lynn; Rosamilia, Joseph M.; Miller, Barry.

In: Journal of the Electrochemical Society, Vol. 133, No. 11, 01.01.1986, p. 2423-2428.

Research output: Contribution to journalArticleResearchpeer-review

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