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Reference electrodes serve as a stable reference point for potentiometric measurements, while indicator and working electrodes react to variations in the composition of a solution.
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A screen-printed three-electrode-type sticker device with an accurate liquid junction-type reference electrode.

Isao Shitanda1, Kaishi Miyazaki2, Noya Loew2

  • 1Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan. shitanda@rs.tus.ac.jp and Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan.

Chemical Communications (Cambridge, England)
|March 3, 2021
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Summary

A new sticker device simplifies electrochemical measurements by converting metals into working electrodes. This innovation allows for easy and accurate material characterization using a standard three-electrode system.

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Area of Science:

  • Electrochemistry
  • Materials Science
  • Analytical Chemistry

Background:

  • Conventional three-electrode systems require specialized setups for electrochemical analysis.
  • Evaluating the characteristics of various metals and alloys can be complex and time-consuming.

Purpose of the Study:

  • To develop a novel sticker device for simplifying electrochemical measurements.
  • To enable accurate characterization of metals and alloys as working electrodes.

Main Methods:

  • Fabrication of a sticker device containing counter and reference electrodes via screen-printing.
  • Attachment of the sticker to metal or alloy surfaces, exposing a defined area as the working electrode.
  • Electrochemical measurements using a standard three-electrode system with the sticker device.

Main Results:

  • The sticker device successfully converted various metals and alloys into functional working electrodes.
  • Polarization curves obtained with the sticker device closely matched those from conventional systems for copper and tin-plated copper.
  • The system demonstrated ease of use, requiring only a small amount of solution for material evaluation.

Conclusions:

  • The novel sticker device offers a simple, accurate, and versatile method for electrochemical analysis of metals and alloys.
  • This approach significantly reduces the complexity of preparing working electrodes for material characterization.
  • The technology holds potential for broader applications in materials science and electrochemistry research.