Electropolymerized polyaniline: A promising hole selective contact in organic photoelectrochemical cells
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Other documents of the author: Belarbi, Eya; Blas Ferrando, Vicente M.; Haro, Marta; Maghraoui Meherzi, Hager; Gimenez, Sixto
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Title
Electropolymerized polyaniline: A promising hole selective contact in organic photoelectrochemical cellsAuthor (s)
Date
2016-11Publisher
ElsevierBibliographic citation
BELARB, Eya, et al. Electropolymerized polyaniline: A promising hole selective contact in organic photoelectrochemical cells. Chemical Engineering Science, 2016, vol. 154, p. 143-149.Type
info:eu-repo/semantics/articlePublisher version
http://www.sciencedirect.com/science/article/pii/S0009250916303529Subject
Abstract
In the present study, we have prepared Polyaniline (PANI) thin films by electrochemical polymerization on ITO substrates in acidic medium at room temperature. We have followed a systematic modification of both the ... [+]
In the present study, we have prepared Polyaniline (PANI) thin films by electrochemical polymerization on ITO substrates in acidic medium at room temperature. We have followed a systematic modification of both the precursor concentration as well as the number of electropolymerization cycles in order to optimize the response of the films as hole selective contacts for organic photoelectrochemical cells. We report the structural, optical and electrochemical properties of the PANI films aiming at providing such optimized hole selective contacts. Our results clearly confirm that PANI acts as efficient hole selective layer in these devices, with photocurrents of more than 2 mA cm−2 at −0.5 V vs RHE, and 0.3 mA cm−2 at 0 V vs RHE for hydrogen generation and further modifications should be focused on enhancing the device stability for technological application. [-]
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Chemical Engineering Science Volume 154, November 2016Rights
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