Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 847, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2019.113241
Keywords
Flexible electrodes; Inkjet printing; Large-scale; Sensors; Solid-state reference electrodes
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Funding
- Ministry of Science Research and Technology of Iran
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A new approach for large-scale fabrication of miniaturized, reliable and planar solid-state reference electrodes on flexible substrates is presented. Inkjet printing technique was used for the fabrication of conductive path and silver patterns that were chemically transformed into the Ag/AgCl electrodes and drop-tasted with a membrane containing a UV-curable polyacrylate ink, KCl and tetradodecylammonium tetralds(4-chlorophenyl)borate. The resulting solid-state reference electrodes (SSRE) showed excellent reproducibility and insensitivity to changes in the electrolyte composition and concentration (10(-6) to 10(-1) M), pH (3-11), the redox environment and the presence of oxygen and surfactants. The methodology offers a simple, low-cost alternative for large-scale fabrication of flexible potentiometric sensors with SSRE being easily incorporated into the sensor architecture.
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