Good afternoon
In recent days, I have made a synthesis by CV of a conducting polymer in a specific electrode. Then, the follow swep is to calculate the thickness of the film using the following equation:
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The doubt in this expression is which charge I should to use to determinate the thickness of film using this equation?
I have think that is the charge asociate to the oxidation but i have discrepances in if is the chargue of all voltamogram or only one portion itself.
thanks for you attention
The equation you cite assumes that you know the charge consumed during synthesis of the conducting polymer. This charge can only be determined with reasonable accuracy if you have made the polymer layer in a single step (e.g. using constant current or constant potential). If the polymer is synthesised by a series of CV's, you should add the excess charge in all the individual cycles, but parasitic reaction will add to this number and reduce its accuracy considerably.
The equation also assumes the following:
Dear Keld,
2. Could you please precise how we can determine gamma from CV curve? Is it the ratio between the charge during first oxidation of monomer and the charge during the first reduction of polymer?
Thank you,
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