Abstract
A nickel oxide film with a thickness of 445 nm was deposited from nickel acetate precursor using the sol–gel dip coating method. The NiO films exhibit optical transmission of 84% at 550 nm and direct energy gap (E gd) value is 3.64 eV. The FTIR spectrum of the films confirms the formation of Ni–O bond. XRD spectrum reveals the formation of nano crystallites along (111) and (200) planes with a particle size of 17 nm. The electrochromic properties have been studied using cyclic voltammetric (CV) technique. The optical transmission of a glass/FTO/NiO/ZrO2/FTO/glass EC device is reported.
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Acknowledgement
The authors place on record their sincere gratitude to Dr. S. Abraham John, Reader in Chemistry, Gandigram Rural University for his help in recording the cyclicvoltammograms.
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Purushothaman, K.K., Muralidharan, G. Nanostructured NiO based all solid state electrochromic device. J Sol-Gel Sci Technol 46, 190–194 (2008). https://doi.org/10.1007/s10971-007-1657-0
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DOI: https://doi.org/10.1007/s10971-007-1657-0