Figure 9: Characterization of AuNPs formed with 1 mM HAuCl4.3H2O and 5% GGSE at 40°C by high resolution transmission electron microscopy (HRTEM). (a) Gold nanotrapezoid; (b) Pentagonal pyramidal nanoparticle; (c) Gold nanohexagon adhered to each other; (d) Dark field TEM images of adhered nanohexagons; (e) Scanning transmission mode micrographs for gold nanoanisotrops revealing triangles and spheres; (f) Elemental mapping of anisotropic AuNPs.