Soft Electronics Hydrogel Liquid metal Wave/wrinkle Two strategies: Island-bridge 。 Materials innovation,by developing novel materials that are flexible in single or aggregated Polymer forms; Structural design,by making nonstretchable materials into specific structures that absorbs Soft Nano-materia electronics externally applied strain without fracturing. ructu Advanced materials include hydrogels,liquid metals,conductive polymers,and nanomaterials Structural designs commonly used in soft electronics include waves/wrinkles,islands- bridges,textiles,origami,kirigami,cracks,and 7 interlocks. Electronics: from rigid to sof Adv.Mater:2018,30,1801368Two strategies: • Materials innovation, by developing novel materials that are flexible in single or aggregated forms; • Structural design, by making nonstretchable materials into specific structures that absorbs externally applied strain without fracturing. ✓ Advanced materials include hydrogels, liquid metals, conductive polymers, and nanomaterials. ✓ Structural designs commonly used in soft electronics include waves/wrinkles, islands– bridges, textiles, origami, kirigami, cracks, and interlocks. Soft Electronics Adv. Mater. 2018, 30, 1801368