Optical Nonlinear Refractive Index of Laser-Ablated Gold Nanoparticles Graphene Oxide Composite

Figure 4

Transmission electron microscopy (TEM) patterns show the particles shape are spherical and the particle sizes for 10, 20, 30, and 40 minutes are 16.55 nm ((a) and (e)), 13.4 nm ((b) and (f)), 9.51 nm ((c) and (g)), and 5.18 nm ((d) and(h)), respectively.