Abstract
Enhanced lithium electrochromic performances of mixed organo-tungsten oxide (WxOyCz)/organo-molybdenum oxide (MoxOyCz) films by a rapid codeposition onto 40 Ω/□ flexible polyethylene terephthalate/indium tin oxide substrates at a short exposed duration of 23 s using an atmospheric pressure plasma jet (APPJ) at various mixed concentrations of hexacarbonyl precursors [W(CO)6 and Mo(CO)6] are investigated. The flexible organo-tungsten–molybdenum oxide (WMoxOyCz) films demonstrated noteworthy electrochromic performance for 200 cycles of reversible Li+ ion intercalation and deintercalation in a 1 M LiClO4–propylene carbonate electrolyte by the switching measurements of potential sweep from −1 to 1 V at a scan rate of 50 mV/s and the potential step at −1 and 1 V, even after being bent 360o around a 2.5-cm diameter rod for 1,000 cycles. The optical modulation (ΔT) of 61.3 % for MoOyCz films at a wavelength of 795.6 nm was significantly improved up to 72.5 % for WMoxOyCz films cosynthesized with an APPJ.
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