Shape-Controlled Metal Nanoparticles and Their Assemblies with Optical Functionalities

Figure 1

Electron microscope images of AuNPs prepared via seed-mediated growth with (a) rod, (b) dog-bone, (c) bipyramidal, (d) roughened bipyramidal, (e) multibranched, and (f) large multibranched morphologies. Magnified images are shown in insets. Reproduced with permission from [18]. Copyright 2009 Elsevier.