Fig. 4From: Enhanced electron transportation of PF-NR2 cathode interface by gold nanoparticlesa Schematic of c-AFM testing. b, c I-V characteristics near a single Au NPs and the depiction of the height of a single Au NP in PF-NR2 layer. The locations of the colored numbers in the inset image correspond to the color of the I-V curveBack to article page