Fig. 5: Durability upon cyclic operation.
From: Electrically conductive hybrid organic crystals as flexible optical waveguides

a Optical images of Au//2//P after the first and 10,000th cycle of bending. b Curvature and conductivity change of Au//2//P during cyclic operation. c Optical images of Au//2//P placed in a liquid nitrogen for 0, 24 and 48 h. d Optical images of Au//2//P and the experimental setup used to perform the durability test.