TITLE

A new photoelectrochemical test cell and its use for a combined two-electrode and three-electrode approach to cell testing

AUTHOR(S)
Esposito, Daniel V.; Goue, Ouloide Y.; Dobson, Kevin D.; McCandless, Brian E.; Chen, Jingguang G.; Birkmire, Robert W.
PUB. DATE
December 2009
SOURCE
Review of Scientific Instruments;Dec2009, Vol. 80 Issue 12, p125107
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This paper describes the design, assembly, and operation of a photoelectrochemical (PEC) test cell that is relatively easy to construct and well suited for testing photoelectrode/counterelectrode combinations in a reproducible manner. The design of the cell permits measurements to be made in both two-electrode and three-electrode arrangements. The benefits of conducting both two-electrode and three-electrode measurements are illustrated using data obtained from the new test cell for a PEC system based on a polysulfide electrolyte, CdSe0.8Te0.2 photoanode, and tungsten monocarbide counterelectrode. It is shown that linear sweep voltammograms measured in three-electrode mode can be used to describe current transients recorded in a two-electrode cell modified by the addition of a reference electrode.
ACCESSION #
47244364

 

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