Multi-Interaction Conductive Double-Network Polyelectrolyte Hydrogel with High Stretchability, Self-Adhesion, and Tunable Transparency for Bioelectronic Sensing and Information Encryption

Polyelectrolyte hydrogels, combining the conductivity of polyelectrolytes with the flexibility of hydrogels, become a popular candidate for flexible sensors, soft robotics, and electronic skins due to their remarkable stability in...