Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 91, Issue 17, Pages 1618-1630Publisher
ELSEVIER
DOI: 10.1016/j.solmat.2007.05.020
Keywords
dye-sensitised solar cell; mordant dye; azo dye; TiO2
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Many mordant dyes commonly used in the textile industry form coordination complexes at the surface of nanocrystalline TiO2. Dyes having g a salicylate chelating group are particularly effective. Forty-nine commercial mordant dyes were studied as sensitisers in a non-optimised dye-sensitised solar cell (DSSC) and their performance compared to the N3 ruthenium complex. Although N3 produced the highest output, six mordant dyes produced photocurrents > 0.2 mA. UV-visible spectra of the dye-complexed photoanodes suggest that some mordant dyes are more strongly bound to the TiO2 surface than N3. Photocatalytic oxidation of these dyes does not appear to occur in a DSSC environment. Crown Copyright (c) 2007 Published by Elsevier B.V. All rights reserved.
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