I used Pt coated FTO (pt/FTO) electrode and graphene coated FTO (Gp/FTO) electrode and utilized them for Dye solar cell. I found that the charging current of Gp/FTO is very high compared to pt/FTO (see the attachment).What could this high charging current mean?What kind of information will I get from the capacitance value? How can I calculate the capacitance value?
Dzmitry Konstantinovich Ivanou
In order to make conclusions it is necessary to record cyclic voltammograms with different potential scan rate…. In the picture I see it just indicates higher capacitance, that could be originated from higher surface area.
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Md. Mahbubur Rahman
Thanks @ Dzmitry Ivanou ..can you suggest me how i can calculate the capacitance value?
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Hadi Hassani Nadiki
In order to calculate the capacitance value, you can use EIS technique
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