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NANOPOROUS NiO BASED ELECTROCHROMIC WINDOW

K. K. PURUSHOTHAMAN

Department of Physics, Gandhigram Rural University, Gandhigram-624302, Tamilnadu, India

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and

G. MURALIDHARAN

Department of Physics, Gandhigram Rural University, Gandhigram-624302, Tamilnadu, India

Corresponding author.

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https://doi.org/10.1142/S1793604709000703Cited by:6 (Source: Crossref)

Abstract

Nickel oxide films were coated onto FTO substrate at optimum conditions. The coated NiO films exhibited nanopore structure. The cyclic stability of the NiO films was studied using cyclic voltammetry. An electrochromic device has been built with the structure G/FTO/NiO/PMMA–PC–H⁺/WO₃/FTO/G. The device exhibits a change in optical transmission of 47.7% (colored 19.7% and bleached 67.4%) and optical density of 0.54 at 550 nm. The response time for coloration/bleaching of the device is 22.8 s/11.4 s. The device goes from transparent orange in the bleached state to gray color in the colored state.

Keywords:

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Journal cover image

Vol. 02, No. 03

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Downloaded 45 times

History

Received 29 May 2009

Revised 1 July 2009

Keywords