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Studies in photogalvanic effect and mixed dyes system: EDTA–methylene blue + toluidine blue system

✍ Scribed by K. M. Gangotri; Chhagan Lal

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
72 KB
Volume
24
Category
Article
ISSN
0363-907X

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✦ Synopsis

The photogalvanic e!ect was studied in a photogalvanic cell containing EDTA as reductant, Methylene blue#toluidine blue as photosensitizer. The photopotential and photocurrent generated were 742.0 mV and 110.0 A, respectively. The observed conversion e$ciency was 0.5398 per cent and the maximum output of the cell was 81.62 W. The photogalvanic cell can be used for 34.0 min in the dark. The e!ects of di!erent parameters on the electrical output of the cell were observed and a mechanism has been also proposed for the generation of photocurrent in the photogalvanic cell.

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