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Polypyrrole coated selective electrodes for iron-thionine photogalvanic cell

✍ Scribed by A.S.N. Murthy; K.S. Reddy


Book ID
103061903
Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
336 KB
Volume
28
Category
Article
ISSN
0013-4686

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✦ Synopsis


The electrochemical behaviour of polypyrrole coated electrodes has been examined by cyclic voltammetry. It has been found that polypyrrole coatedelectrodesare selective to F&+/Fe'+ couple but not to thionine/leucothionine couple. An improved output in the Iron-thionine photogalvanic celi has been observed with polypyrrole coated selective electrodes.


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The role of electrode selectivity in the performance of the ferrous/thionine photogalvanic cell has been studied using various carbon materials as light electrode. The open-circuit voltage of the cell is found to depend strongly on the type of carbon electrode used. This dependency can be quantitati