Journal
COATINGS
Volume 13, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/coatings13040705
Keywords
Pt ribbon; dye-sensitized solar cell; surface area; electron transport channel; photoelectric efficiency
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In this study, a counter electrode is fabricated by coating a Pt ribbon onto a fluorine-doped tin oxide glass substrate with a Pt layer. The experimental results show that the photoelectric efficiency of the dye-sensitized solar cell (DSSC) with the Pt ribbon is 5.32%, which is 21% higher than that of the DSSC without a Pt ribbon. This suggests that Pt ribbons can increase the photoelectric efficiencies of DSSCs. The DSSC with the Pt ribbon has a large photoelectric efficiency of 5.32% due to its protrusive structure with specific channels for directional electron transport and its large surface area.
In this study, we fabricate a counter electrode by coating a Pt ribbon onto a fluorine-doped tin oxide glass substrate with a Pt layer. The Pt ribbon gives rise to a protrusive structure of the counter electrode, produced by photolithography, sputtering and lift-off processes. The experimental results reveal that the photoelectric efficiency of the dye-sensitized solar cell (DSSC) with the Pt ribbon (5.32%) is 21% higher than that of the DSSC without a Pt ribbon (4.38%). This infers that Pt ribbons can increase the photoelectric efficiencies of DSSCs. The DSSC with the Pt ribbon has a large photoelectric efficiency of 5.32%, not only because the protrusive structure has specific channels for directional electron transport, but also because of its large surface area. The method that is proposed herein has the advantages of a low production cost and easy fabrication that can be applied to various electrode structures.
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