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Electrochemical Roughening of Thin-Film Platinum Macro and Microelectrodes
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Electrochemical Roughening of Thin-Film Platinum Macro and Microelectrodes

Electrochemical Roughening of Thin-Film Platinum Macro and Microelectrodes

DOI:
10.3791/59553-v

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08:32 min

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June 30, 2019

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, , , , , , , ,
1Engineering Directorate,Lawrence Livermore National Laboratory, 2Physical and Life Science Directorate,Lawrence Livermore National Laboratory

Capitoli

  • 00:04Titolo
  • 00:45Cleaning the Pt Electrode(s) Before Initial Characterization and Surface Roughening
  • 02:18Electrochemical Characterization of the Electrode Surface Before Roughening
  • 04:40Electrochemical Roughening of a Macroelectrode and Characterization of Electrode Surface After Roughening
  • 06:48Results: Characterization of Roughened Thin-Film Platinum Electrodes
  • 07:39Conclusion

Summary

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This protocol demonstrates a method for electrochemical roughening of thin-film platinum electrodes without preferential dissolution at grain boundaries. The electrochemical techniques of cyclic voltammetry and impedance spectroscopy are demonstrated to characterize these electrode surfaces.

Tags

Electrochemical RougheningThin-film PlatinumMacro And MicroelectrodesSurface Area IncreaseElectrochemical CleaningCyclic VoltammetryPotentiostatPerchloric AcidPlatinum Wire Counter ElectrodeMercury Sulfate Reference Electrode

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