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Updated: Jun 23, 2025

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
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Visual electrochemiluminescence from an all-solid-state electrochemical cell.

Wenlong Wang1, Haiyu Fang1, Yufei Deng1

  • 1School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211126, China. djf@njmu.edu.cn.

The Analyst
|June 21, 2024
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Summary
This summary is machine-generated.

A novel all-solid-state electrochemical cell generates visible electrochemiluminescence (ECL) using L012 and hydrogen peroxide. This naked-eye detectable emission offers a new pathway for developing air-based ECL sensors.

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Area of Science:

  • Electrochemistry
  • Materials Science
  • Analytical Chemistry

Background:

  • Electrochemical luminescence (ECL) is a powerful analytical technique.
  • Developing solid-state ECL sensors for air applications remains challenging.

Purpose of the Study:

  • To demonstrate a novel all-solid-state electrochemical cell for visual ECL emission.
  • To explore the potential of this system for air-based sensor design.

Main Methods:

  • An all-solid-state electrochemical cell was constructed using a polyacrylamide hydrogel as the solid electrolyte.
  • L012 and hydrogen peroxide were used as the ECL-generating reagents.
  • The ECL emission was characterized for its intensity and visibility.

Main Results:

  • Visual electrochemiluminescence (ECL) was successfully generated from L012 and hydrogen peroxide in an all-solid-state cell.
  • The generated ECL emission was sufficiently strong to be observed with the naked eye.
  • The polyacrylamide hydrogel served effectively as a solid electrolyte.

Conclusions:

  • The study presents a viable all-solid-state ECL system with naked-eye visibility.
  • This approach provides a new concept for designing air-operable ECL sensors.
  • The developed system has potential applications in portable and field-based sensing.