4.7 Article

Low-coherence photonic method of electrochemical processes monitoring

Journal

SCIENTIFIC REPORTS
Volume 11, Issue 1, Pages -

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41598-021-91883-z

Keywords

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Funding

  1. Polish National Agency for Academic Exchange [PPN/IWA/2018/1/00058/U/0001]
  2. Gdansk University of Technology under the Technetium Talent Management Grants-`Excellence Initiative-Research University' [DEC-034876]
  3. DS funds of the Faculty of Electronics, Telecommunications, and Informatics of the Gdansk University of Technology

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This study presents and demonstrates an advanced multimodality characterization platform for simultaneous optical and electrochemical measurements of ferrocyanides, providing feasibility data for monitoring electrochemical reactions in a boron-doped diamond film on a silica substrate.
We present an advanced multimodality characterization platform for simultaneous optical and electrochemical measurements of ferrocyanides. Specifically, we combined a fiber-optic Fabry-Perot interferometer with a three-electrode electrochemical setup to demonstrate a proof-of-principle of this hybrid characterization approach, and obtained feasibility data in its monitoring of electrochemical reactions in a boron-doped diamond film deposited on a silica substrate. The film plays the dual role of being the working electrode in the electrochemical reaction, as well as affording the reflectivity to enable the optical interferometry measurements. Optical responses during the redox reactions of the electrochemical process are presented. This work proves that simultaneous opto-electrochemical measurements of liquids are possible.

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