Abstract

Flexible-electrochromic organo-nickel-iron oxide (NiFexOyCz) films deposited onto flexible polyethylene terephthalate (PET)/indium tin oxide (ITO) substrates using atmospheric-pressure plasma-enhanced chemical vapor deposition with an atmospheric pressure plasma jet under various flow rates of oxygen gases are investigated. Precursors [nickelocence, Ni(C5H5)2] and [ferrocence, Fe(C5H5)2] vapors are carried by argon gas, mixed by oxygen gas and injected into air plasma torch for a rapid synthesis of NiFexOyCz films by a short duration of the substrate, 32s, in the plasmas. Uniform light modulation on PET/ITO/NiFexOyCz is produced while the moving PET/ITO substrate is exposed to plasma torch at room temperature (~23°C) and atmospheric pressure. Light modulation with up to a 43.2% transmittance variation at a wavelength of 708nm even after 200cycles of Li+ intercalation and de-intercalation in a 1M LiClO4-propylene carbonate electrolyte is accomplished.

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