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Issue 8, 2011
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Electrodeposition of Cu2O films and their photoelectrochemical properties

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Abstract

Well-defined cuprous oxide (Cu2O) thin film electrodes were electrodeposited on indium-doped tin oxide (ITO) substrates from a slightly acidic Cu(II) acetate solution. The morphologies of Cu2O film were tunable by altering the deposition potential, reaction time, solution temperature and the NaCl concentration. In particular, the Cu2O morphologies evolved from dendritic branching to cube-like with the increasing of the NaCl concentration. A growth mechanism was proposed according to the experimental results. In addition, a photocurrent of 0.06 mA cm−2, an open-circuit photovoltage (Voc) of 0.38 V, and a significant energy conversation efficiency of 0.01% were obtained under 100 mW cm−2 UV-visible illumination of the dendritic Cu2O thin film.

Graphical abstract: Electrodeposition of Cu2O films and their photoelectrochemical properties

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Publication details

The article was received on 08 Nov 2010, accepted on 26 Jan 2011 and first published on 21 Feb 2011


Article type: Paper
DOI: 10.1039/C0CE00829J
Citation: CrystEngComm, 2011,13, 2871-2877
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    Electrodeposition of Cu2O films and their photoelectrochemical properties

    W. Zhao, W. Fu, H. Yang, C. Tian, M. Li, Y. Li, L. Zhang, Y. Sui, X. Zhou, H. Chen and G. Zou, CrystEngComm, 2011, 13, 2871
    DOI: 10.1039/C0CE00829J

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