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Erschienen in: Journal of Materials Science 3/2015

01.02.2015 | Original Paper

Simple and inexpensive electrodeposited silver/polyaniline composite counter electrodes for dye-sensitized solar cells

verfasst von: Sheeba Ghani, Rehana Sharif, Shamaila Shahzadi, N. Zafar, A. W. Anwar, Ayesha Ashraf, Azhar A. Zaidi, Afzal H. Kamboh, Saima Bashir

Erschienen in: Journal of Materials Science | Ausgabe 3/2015

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Abstract

Silver and polyaniline (Ag/PANI) composite counter electrodes (CEs) have been prepared by electrochemical polymerization on stainless steel substrate using different silver (Ag) concentrations for dye-sensitized solar cells (DSSC). The effect of Ag concentration on the properties of fabricated Ag/PANI composite CEs, such as morphology, electrical conductivity, oxidation and reduction potential, and electrochemical activity of I3 reduction, is investigated. Highest cathodic current density (3.4 mA), low charge transfer resistance (2.15 Ω), and good electrocatalytic activity of \( {\text{I}}_{3}^{ - } /{\text{I}}^{ - } \) redox couple for CE are obtained at 0.07 M concentration of silver in Ag/PANI composite. DSSC based on this CE shows best photovoltaic performance with conversion efficiency up to 7.31 %. This study indicates that the Ag/PANI composite prepared electrochemically is possible substitute of the expensive Platinum as CEs for DSSCs.

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Metadaten
Titel
Simple and inexpensive electrodeposited silver/polyaniline composite counter electrodes for dye-sensitized solar cells
verfasst von
Sheeba Ghani
Rehana Sharif
Shamaila Shahzadi
N. Zafar
A. W. Anwar
Ayesha Ashraf
Azhar A. Zaidi
Afzal H. Kamboh
Saima Bashir
Publikationsdatum
01.02.2015
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 3/2015
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-014-8708-z

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