Issue 46, 2015
From the journal:

RSC Advances

Electrodeposited p-type Co3O4 with high photoelectrochemical performance in aqueous medium

M. Ebadi,*a   M. A. Mat-Teridi,b   M. Y. Sulaiman,b   W. J. Basirun,c   N. Asim,b   N. A. Ludin,b   M. A. Ibrahimb  and  K. Sopianb  

* Corresponding authors

a Department of Chemistry, Faculty of Science, Islamic Azad University-Gorgan Branch, Gorgan, Iran
E-mail: mehdi_2222002@yahoo.com

b Solar Energy Research Institute, University Kebangsaan Malaysia, Bangi, Selangor, Malaysia

c Department of Chemistry, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia

Abstract

p-Type Co3O4 photocathodes with different amounts of CuO, were synthesized on fluorine doped tin oxide (FTO) via electrodeposition from a chloride bath containing suspended starch particles. All of the fabricated samples were photoresponsive toward water splitting in 0.5 M Na2SO4 under simulated sun-light. The PEC performance was evaluated using LSPV, chronoamperometry, and EIS techniques. The samples fabricated via the electrodeposition/anodizing/annealing process showed greater photocurrent response compared to the electrodeposition/annealing process. Among all the samples, the sample with an atomic composition% of Co: 24.9, Cu: 25.0 and O: 50.1 showed an optimum photocurrent response (∼6.5 mA cm−2 vs. SCE at −0.3 V). The structure, morphology/composition and optical response were characterized by XRD, FESEM/EDX and UV-Vis techniques, respectively.

Graphical abstract: Electrodeposited p-type Co3O4 with high photoelectrochemical performance in aqueous medium

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Article information

DOI
https://doi.org/10.1039/C5RA04008F
Article type
Paper
Submitted
06 Mar 2015
Accepted
15 Apr 2015
First published
15 Apr 2015

RSC Adv., 2015,5, 36820-36827

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Electrodeposited p-type Co3O4 with high photoelectrochemical performance in aqueous medium

M. Ebadi, M. A. Mat-Teridi, M. Y. Sulaiman, W. J. Basirun, N. Asim, N. A. Ludin, M. A. Ibrahim and K. Sopian, RSC Adv., 2015, 5, 36820 DOI: 10.1039/C5RA04008F

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