Self-assembled spherical gold microelectrodes

Electrochemical Behavior of Self-Assembled Spherical Gold Microelectrodes. The electrochemical behavior of these spherical microelectrodes... 

FIG. 5 Schematic diagram for the preparation of the self-assembled spherical gold microelectrodes. (Reprinted with permission from Ref. 20. Copyright 1997 American Chemical Society.)... 

FIG. 7 Cyclic voltammogram of a self-assembled spherical gold microelectrode, (a) In a 7.5 mM aqueous solution of hexaamineruthenium(III) chloride and 1 M KC1 electrolyte. Electrode diameters, from top to bottom, 10, 5, 4, 3, 1.7 /rm. Scan rate 0.1 V/s. (b) In a 6.5 mM solution of tetracyanoquinodimethane in acetonitrile. Supporting electrolyte tetrabutylammonium tetrafluoroborate (0.1 M). Electrode diameter 6 /am. Scan rate 0.1 V/s. (Reprinted with permission from Ref. 20. Copyright 1997 American Chemical Society.)... 

FIG. 8 Cyclic voltammogram of a 0.35 /xm diameter self-assembled spherical gold microelectrode in a 6.5 mM aqueous solution of hexaamineruthenium(III) chloride and 1 M KC1 electrolyte. Scan rate is 0.1 V/s. 

FIGURE 3.3 Optical (A-C) and SEM (D) pictures of the self-assembled spherical gold microelectrodes. The horizontal bar at the lower corner of (D) represents 1 pm. Electrode diameter (A) 26, (B) 8, (C) 3, and (D) 0.9 pm. (Reprinted with permission from Demaille, C., Brust, M., Tsionsky, M., and Bard, A.J., Fabrication and characterization of self-assembled spherical gold ultramicroelectrodes, Anal. Chem., 69, 2323-2328, 1997. Copyright 1997 American Chemical Society.)... 

Spherical microelectrodes self-assembly of gold nanoparticles (a) Fabrication technique... 

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