Size-Dependent Electrophoretic Deposition of Catalytic Gold Nanoparticles.

  title={Size-Dependent Electrophoretic Deposition of Catalytic Gold Nanoparticles.},
  author={Rafael A. Masitas and Stacy L Allen and Francis P Zamborini},
  journal={Journal of the American Chemical Society},
  volume={138 47},
Here we describe size-dependent electrophoretic deposition (EPD) of citrate-stabilized Au nanoparticles (NPs) onto indium-tin-oxide-coated glass (glass/ITO) electrodes as studied by linear sweep stripping voltammetry (LSSV) and scanning electron microscopy (SEM). LSSV allows both the determination of the Au NP coverage and NP size from the peak area and the peak potential, respectively. Two-electrode EPD in aqueous solutions of Au NPs plus H2O2 reveal that a minimum potential of 1.5 V is needed… CONTINUE READING
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