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A novel electrochromic polymer poly(2,3-dimethyl-2,3-dihydrothieno[3,4-b][1,4]dioxine) (PEDOT-Me2) based on 3,4-ethylenedioxythiophene (EDOT) with symmetric dimethyl pendant groups was successfully synthesized through electrochemical polymerization in 0.1 M LiClO4/ACN electrolyte. The polymer film displays… Click to show full abstract
A novel electrochromic polymer poly(2,3-dimethyl-2,3-dihydrothieno[3,4-b][1,4]dioxine) (PEDOT-Me2) based on 3,4-ethylenedioxythiophene (EDOT) with symmetric dimethyl pendant groups was successfully synthesized through electrochemical polymerization in 0.1 M LiClO4/ACN electrolyte. The polymer film displays reversible electrochromism switching between blue neutral state (− 1.2 V) and transmissive sky blue oxidized state (0.5 V) with an enhanced optical contrast (ΔT = 30%) in comparison with the traditional PEDOT (ΔT = 25%).
Journal Title: Journal of Solid State Electrochemistry
Year Published: 2019
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