Synthesis of NiO Electrochromic Films via Two-Step Method

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Nickel oxide thin films were electrodeposited onto ITO glass substrates by a two-step method: i) electrodeposition of nickel and ii) further thermal oxidation at 300 °C. The surface morphology of the NiO thin films was characterized by atomic force microscopy (AFM) and the transmittance in the coloured and bleached states were analysed using UV-Visible (UV-Vis) spectroscopy. The electrochemical properties of NiO films were measured in 1 M KOH electrolyte by cyclic voltammetry (CV). A good optical quality and highly improved electrochromic performances NiO film was successfully synthesized.

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381-385

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February 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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