Aqueous in‐situ electrosynthesis and electrochromic performance of PEDOT:PSS/Reline film

Abstract

Poly(3,4‐ethylene dioxythiophene) (PEDOT) is a promising electrochromic material in many practical application, such as smart windows and displays. However, there are still difficulties in currently realizing green manufacturing, high coloration efficiency, and rapid response. Herein, in‐situ electrochemical polymerization of PEDOT:PSS/Reline films was suggested in aqueous solution. Deep eutectic solvents (DES) composed of choline chloride and urea (Reline) were employed as green solvents in reaction system and used as dopants for the PEDOT:PSS. The as‐prepared PEDOT:PSS/Reline films exhibited remarkable electrochromic properties, including great ion diffusion coefficient, fast reaction time (coloration response time was 1.4 s), prominent transmittance modulation (38%), high coloration efficiency (223 cm2/C) and excellent cyclic stability. Impressively, doping of Reline cannot only provide a green polymerization environment, but also significantly boost the electrochromic properties.

Interface engineering and heterometal-doped FeOOH/Ga-Ni3S2nanosheet arrays for efficient electrocatalytic oxygen evolution

“…[7][8][9][10][11][12] Noble metal materials, such as RuO 2 and IrO 2 , are recognised as the most effective electrocatalysts for OER, but their high costs and scarcity restrict their large-scale utilisation. [13][14][15][16][17][18][19] Therefore, highly active and stable non-noble metal electrocatalysts for OER must be developed urgently. [20][21][22][23] To date, considerable works have been devoted to exploring various non-noble metal electrocatalysts with high stability and brilliant performances, such as phosphides, oxides, sulfides and hydroxides.…”