Fig. 3: Strengthening of the graphene-Au nanomembranes with improved fatigue resistance compared to the Au nanomembranes.
From: Ultra-flexible graphene-metal nanomembrane for wireless applications
a, b Schematic of the fatigue behavior of cracks on Au and graphene-Au nanomembranes and corresponding SEM images, respectively. During repeating stretch and recovery, the surface morphology of the Au nanomembranes is always coarser. c, d Normalized currents of Au and graphene-Au electrodes, respectively, during the fatigue test at a voltage of 0.1 V and 3% strain. e Comparison of the fatigue properties of the graphene-Au (red lines) and Au (blue lines) electrodes under different strains at a voltage of 0.1 V.
