Figure 1.

Molecular structure and TEM images. Molecular structure of (i) ethanedithiol (ED) and (ii) biphenyldithiol (BFD) (A); TEM images of Au nanoparticles from Transmission Electron Microscope (B). For structural characterization we used TEM (JEOL JEM-1010, Peabody, MA, USA) operated at 80 kV.