Electrochromic window based on poly(aniline-N-butylsulfonate)s with a radiation-cured solid polymer electrolyte film

Eunkyoung Kim, Kwangyong Lee, Suh Bong Rhee

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Electrochromic properties of poly(aniline N-butylsulfonate)s (PANBUS) coatings on indium-tin oxide (ITO) glasses exposed to an ion conducting polymer films were investigated. The ion conducting polymer films were prepared via photocross-linking reactions of methoxy polyethylene glycol-mono methacrylate with tri(propylene glycol) diacrylate in the presence of a photoinitiator and LiClO4. Mechanical properties of the electrolyte film were enhanced by introducing styrene or butylmethacrylate into the polymer network. Color contrast and optical response of the PANBUS-based window were improved by adding Nafion into the electrolyte. The electrochromic (EC) window assembled with PANBUS, Nafion containing polymer electrolyte film, and tungsten trioxide coated ITO glass (type 2) required less energy for operation (±1.5 V) compared to the EC window without tungsten trioxide film (type 1, ±2.0 V). By applying ±1.5 V, optical density of the type 2 window changed from zero to maximum of 1.2, corresponding transmission change of higher than 95%. Lifetime tests show that the type 2 window could support more than 2.3 × 103 cycles, of 60 s duration.

Original languageEnglish
Pages (from-to)227-232
Number of pages6
JournalJournal of the Electrochemical Society
Volume144
Issue number1
DOIs
Publication statusPublished - 1997 Jan

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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