An electrochromic device based on all-in-one polymer gel through in-situ thermal polymerization

Sheng Yuan Kao, Chung Wei Kung, Hsin Wei Chen, Chih Wei Hu, Kuo Chuan Ho

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

A self-standing all-in-one electrochromic gel utilizing phenyl viologen (PV) and N,N,N',N'-tetramethyl-1,4-phenylenediamine (TMPD) as the electrochromic materials is prepared by incorporating a thermo-cured cross-linked polymer matrix. The thermal-cured polymer matrix can prevent the agglomeration of PV happening on the electrode surface, resulting in the excellent write-erase ability of the obtained gelated ECD. Moreover, the cross-linker which possesses the long propoxylated arms leads to the easier diffusion for both PV and TMPD in the obtained polymer network. As a result, the obtained ECD exhibits a large transmittance change (ΔT>67% at 620 nm) within a short response time (<3.5 s) under an extremely low driving voltage (0.5 V). Besides, this device remains over 55% of ΔT after 10,000 cycles of switching.

Original languageEnglish
Pages (from-to)61-68
Number of pages8
JournalSolar Energy Materials and Solar Cells
Volume145
DOIs
Publication statusPublished - 2016 Feb 1

All Science Journal Classification (ASJC) codes

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

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