Abstract
Films of NiOxHy were made by reactive dc magnetron sputtering of Ni followed by electrochemical treatment in KOH. Infrared reflectance spectroscopy with obliquely incident p-polarized light documented a unique topochemical reaction with the bleached state being β–Ni(OH)2 and the colored state being β–NiOOH. The same technique yielded clear, though not yet fully understood, data on the evolution of electrochromism during potentiodynamic cycling.
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Estrada, W., Andersson, A.M., Granqvist, C.G. et al. Infrared reflectance spectroscopy of electrochromic NiOxHy films made by reactive dc sputtering. Journal of Materials Research 6, 1715–1719 (1991). https://doi.org/10.1557/JMR.1991.1715
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DOI: https://doi.org/10.1557/JMR.1991.1715