Visible light induced synthesis of high toughness, self-healing ionic hydrogel and its application in strain sensing

The conductive hydrogels with high recovery property applied in electronic sensor fields have recently attracted more and more attention. However, it remains a challenge to simply develop gel-based sensors with excellent toughness, recovery ability and stretch stability. In this work, a tough double crosslinked hydrogel (DC-Gel) was obtained from polyvinyl alcohol/poly (acrylic acid) (PVA/PAA) by facilely visible light triggered polymerization...