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Issue 93, 2015
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Homogeneous nanosheet Co3O4 film prepared by novel unipolar pulse electro-deposition method for electrochemical water splitting

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Abstract

A unipolar pulse electro-deposition (UPED) method is used to prepare nanosheet Co3O4 film on a carbon rod substrate in aqueous solution and compared with other conventional methods, i.e., the cyclic voltammetry (CV) method, potentiostatic method (PM) and pulse potentiostatic method (PPM). Co3O4 films prepared by the UPED method show a more uniform structure on carbon rod and higher catalytic activity than those by other methods, and oxygen evolution reaction over it with an overpotential of 275 ± 2.3 mV results in a current density of 10 mA cm−2 in 1.0 mol L−1 KOH. Such an excellent performance should be attributed to its highly porous nanosheet structure with honeycomb-like morphology.

Graphical abstract: Homogeneous nanosheet Co3O4 film prepared by novel unipolar pulse electro-deposition method for electrochemical water splitting

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Publication details

The article was received on 02 Jul 2015, accepted on 01 Sep 2015 and first published on 02 Sep 2015


Article type: Paper
DOI: 10.1039/C5RA12822F
Author version available: Download Author version (PDF)
Citation: RSC Adv., 2015,5, 76026-76031
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    Homogeneous nanosheet Co3O4 film prepared by novel unipolar pulse electro-deposition method for electrochemical water splitting

    X. Li, G. Guan, X. Du, A. D. Jagadale, J. Cao, X. Hao, X. Ma and A. Abudula, RSC Adv., 2015, 5, 76026
    DOI: 10.1039/C5RA12822F

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