| Effect of Cleaning Process of Substrate on the
Efficiency of the DSSC |
Venumadhav More1, Vivek Shivade2 and Parag Bhargava2,*
pages: 59-62
DOI : 10.1080/0371750X.2016.1149100 |
| Abstract |
| Cleaning of the FTO substrate is being done to remove the debris present on the
substrate during the fabrication of dye sensitized solar cells (DSSC’s). Sonication of
FTO substrates by keeping it in soap solution, ethanol and distilled water followed by
drying at 100oC has been reported by researchers. Some researchers have mentioned
the use of ultraviolet ozonization (UV-O3) processes to remove the organic
contamination over FTO substrates. The present work shows the effect of cleaning of
the FTO substrates on efficiency of the DSSC. Cleaning of FTOs was done by two
methods – one by only bath sonication and other by bath sonication followed by heat
treatment. It was found that heat treatment effectively removed organics compared to
the non heat treated process. Heat treatment improved the performance of DSSC’s by
enhancing the adhesion of titania film to the FTO substrate.
[Keywords: FTO cleaning, Dye sensitized solar cell, Heat treatment] |
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