Enhancement of Electrochromic Switching Properties with Tröger's Base-Derived Intrinsic Microporous Polyamide Films

Macromol Rapid Commun. 2021 Dec;42(23):e2100492. doi: 10.1002/marc.202100492. Epub 2021 Oct 13.

Abstract

The formation of Tröger's Base (TB) configuration is a useful approach to synthesize polymers of intrinsic microporosity (PIM). Herein, the V-shaped TB scaffold is incorporated to prepare electrochromic (EC) polyamide with electroactive triphenylamine (TPA) moiety. The presence of intrinsic microporosity derived from inefficient packing of TB scaffolds can facilitate the counterions diffusion between electroactive species and electrolytes. Consequently, the resulting TB-based polyamide exhibits enhanced EC behaviors, such as a lower driving potential, reduced the difference of redox potentials ΔE, and shorter switching response time compared to the corresponding EC counterpart polyamide.

Keywords: Tröger's base; electrochromic; intrinsic microporosity; response capability.

MeSH terms

  • Amines
  • Electrolytes
  • Nylons*
  • Polymers*

Substances

  • Amines
  • Electrolytes
  • Nylons
  • Polymers