Fig. 1: Synthesis of MXenes and hydrogel.

a Schematic illustration for the preparation of Ti3C2Tx flakes. b Direct ink writing (DIW) printing of transition metal carbides (MXenes) bonded polyurethane/polyvinyl alcohol (PU/PVA) hydrogel.

a Schematic illustration for the preparation of Ti3C2Tx flakes. b Direct ink writing (DIW) printing of transition metal carbides (MXenes) bonded polyurethane/polyvinyl alcohol (PU/PVA) hydrogel.