Highly flexible polymer-carbon dot-ferric ion nanocomposite hydrogels displaying super stretchability, ultrahigh toughness, good self-recovery and shape memory performance

The super stretchability, ultrahigh toughness, good self-recovery and shape memory performance are very important for the practical application of hydrogels. However, most of hydrogels do not demonstrate the above-mentioned features at the same time. In this study, we develop a promising and versatile strategy for the synthesis of novel tough poly(acrylamide-co-acrylic acid)-carbon dot-ferric ion (PAmAc-Cdot-Fe3+) nanocomposite (NC) hydrogel...