A Semi‐Interpenetrating Poly(Ionic Liquid) Network‐Driven Low Hysteresis and Transparent Hydrogel as a Self‐Powered Multifunctional Sensor

Abstract Conductive hydrogels are gaining significant attention as promising candidates for the fabrication materials for flexible electronics. Nevertheless, improving the tensile properties, hysteresis, durability, adhesion, and electrochemical properties of these hydrogels remains challenging. This work reports the development of a novel semi‐interpenetrating network poly(ionic liquid) hydrogel named PATV, via the in situ polymerization of acrylamide, N ‐[Tris(hydroxymethyl)methyl] acrylamide, and 1‐vinyl‐3‐butylimidazolium tetrafluoroborate. The density functional theory calculations reveal that the poly(ionic liquid) in the hydrogel network acts as physical cross–linking points to construct hydrogen‐bond…

• CP
  China Postdoctoral Science Foundation

  Awards: 2020M672269, 2023M731020
• NK
  National Key Research and Development Program of China

  Award: 2019YFA0706802