Optical monitoring of electrochemical processes with ITO-based lossy-mode resonance optical fiber sensor applied as an electrode

Mateusz Smietana , Michal Sobaszek , Bartosz Michalak , Paweł Niedziałkowski , Wioleta Białobrzeska , Marcin Koba , Petr Sezemsky , Vitezslav Stranak , Jakub Karczewski , Tadeusz Ossowski , Robert Bogdanowicz


In this paper, we discuss the application of optical fiber sensors based on lossy-mode resonance (LMR) phenomenon for real-time optical monitoring of electrochemical processes. The sensors were obtained by a reactive high power impulse magnetron sputtering of indium tin oxide (ITO) on a 2.5 cm long core of polymer-clad silica fibers. The LMR effect made monitoring of changes in optical properties of both ITO and its surrounding medium possible. Moreover, since ITO is electrically conductive and electrochemically active, it was used as a working electrode in a three-electrode cyclic voltammetry setup. The investigations have shown that the sensor's optical response strongly depends on the potential applied to the sensor, as well as on electrochemical modification of its surface. The obtained LMR effect can be applied in parallel to electrochemical measurements for real-time optical monitoring of the electrode conditions and properties of the surrounding medium.
Author Mateusz Smietana
Mateusz Smietana,,
, Michal Sobaszek
Michal Sobaszek,,
, Bartosz Michalak
Bartosz Michalak,,
, Paweł Niedziałkowski (FCh / DACh / LSCh)
Paweł Niedziałkowski,,
- Laboratory of Supramolecular Chemistry
, Wioleta Białobrzeska (FCh / DACh / LSCh)
Wioleta Białobrzeska,,
- Laboratory of Supramolecular Chemistry
, Marcin Koba
Marcin Koba,,
, Petr Sezemsky
Petr Sezemsky,,
, Vitezslav Stranak
Vitezslav Stranak,,
, Jakub Karczewski
Jakub Karczewski,,
, Tadeusz Ossowski (FCh / DACh / LSCh)
Tadeusz Ossowski,,
- Laboratory of Supramolecular Chemistry
et al.`
Journal seriesJournal of Lightwave Technology, ISSN 0733-8724, (A 35 pkt)
Issue year2018
Publication size in sheets0.5
Keywords in Englishcyclic voltammetry, electrochemistry, indium tin oxide (ITO), lossy-mode resonance (LMR), optical fiber sensor, reactive magnetron sputtering, thin film
ASJC Classification3107 Atomic and Molecular Physics, and Optics
Languageen angielski
Score (nominal)35
ScoreMinisterial score = 35.0, 30-09-2019, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.881; WoS Impact Factor: 2017 = 3.652 (2) - 2017=3.519 (5)
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