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Scanning electrochemical microscopy in the 21st century.
The fundamentals of and recent advances in scanning electrochemical microscopy (SECM) are described. The focus is on applications of this method to studies of systems and processes of active currentExpand
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Kinetics of electron-transfer reactions at nanoelectrodes.
The kinetics of several fast heterogeneous electron-transfer reactions were investigated by steady-state voltammetry at nanoelectrodes and scanning electrochemical microscopy (SECM). The disk-type,Expand
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Nanoelectrochemistry of mammalian cells
There is a significant current interest in development of new techniques for direct characterization of the intracellular redox state and high-resolution imaging of living cells. We usedExpand
  • 152
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Electrochemistry of individual molecules in zeptoliter volumes.
  • P. Sun, M. Mirkin
  • Chemistry, Medicine
  • Journal of the American Chemical Society
  • 10 June 2008
Electrochemical experiments were carried out in a nanometer-sized cylindrical thin layer cell (TLC) formed by etching the surface of a disk-type platinum nanoelectrode (5- to 150-nm radius). UsingExpand
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Scanning Electrochemical Microscopy with Gold Nanotips: The Effect of Electrode Material on Electron Transfer Rates
The disk-type, polished Au nanoelectrodes were prepared, characterized, and used as tips in the scanning electrochemical microscope (SECM). Kinetic parameters were measured for several rapidExpand
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Systematic study of the transfer of amino acids across the water/1,2-dichloroethane interface facilitated by dibenzo-18-crown-6
Facilitated ion transfer reactions of 20 amino acids with dibenzo-18-crown-6 (DB18C6) at the water/1,2-dichloroethane (W/DCE) interfaces supported at the tips of micro- and nano-pipets wereExpand
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Scanning electrochemical microscopy with slightly recessed nanotips.
Slightly recessed nanoelectrodes were prepared by controlled etching of nanometer-sized, flat Pt electrodes. By using high-frequency (e.g., 2 MHz) ac voltage, the layer of Pt as thin as greater,Expand
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Fabrication of nanometer-sized electrodes and tips for scanning electrochemical microscopy.
A novel method for fabrication of nanometer-sized electrodes and tips suitable for scanning electrochemical microscopy (SECM) is reported. A fine etched Pt wire is coated with polyimide, which wasExpand
  • 64
Observation of the marcus inverted region of electron transfer reactions at a liquid/liquid interface.
  • P. Sun, Fei Li, +4 authors Y. Shao
  • Chemistry, Medicine
  • Journal of the American Chemical Society
  • 19 July 2003
Scanning electrochemical microscopy was used to probe the influence of a driving force on the heterogeneous electron transfer (ET) processes at the externally polarized water/1,2-dichloroethaneExpand
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