Figure 8

J–V characteristics of the (a) PF₁₄-b-Piso₁₀ and (b) PF₁₄-b-Piso₆₀ stretchable memory devices under 40% strain after 200 stretch/release cycles. Mechanical endurance of the (c) PF₁₄-b-Piso₁₀ and (d) PF₁₄-b-Piso₆₀ stretchable devices. PF, poly[2,7-(9,9-dihexylfluorene)]; Piso, poly(pendent isoindigo).