Electrochemical characteristics of coatings based on carbon black and novel partially oxidized pillar[5]arenes
https://doi.org/10.26907/2542-064X.2025.1.5-23
Abstract
Pillar[5]arenes (P5A) are a class of supramolecular materials with structural cavities able to capture small molecules and ions via host–guest interaction, which makes them promising for sensor assembly. However, the application of P5A in electrochemical sensors remains largely unexplored. This article examines the electrochemical properties of coatings incorporating partially oxidized P5A and ferrocene carboxylic acid (Fc-COOH). An electrochemical sensor was developed based on these two electron transfer mediators, carbon black (CB), and polyaniline (PANI). Polyaniline, owing to its capacity for redox conversion governed by pH, is well suited for the detection of hydrogen ions in the solution. The quantitative ratio of the P5A derivative to Fc-COOH during their simultaneous and layer-by-layer application in the coating assembly was assessed.
Supporting agencies: This study was supported by the Russian Science Foundation (project no. 22-13-00070).
About the Authors
T. N. Krasnova
Kazan Federal University
Russian Federation
Competing Interests:
Russian Federation
Tatiana N. Krasnova, Cand. Sci. (Chemistry), Junior Researcher, Laboratory of Organic Compounds Research, A.M. Butlerov Institute of Chemistry
Kazan, 420008
Competing Interests:
The authors declare no conflicts of interest.
M. A. Kalinina
Kazan Federal University
Russian Federation
Competing Interests:
Russian Federation
Mariya A. Kalinina, Master’s Student, Department of Analytical Chemistry, A.M. Butlerov Institute of Chemistry
Kazan, 420008
Competing Interests:
The authors declare no conflicts of interest.
D. N. Shurpik
Kazan Federal University
Russian Federation
Competing Interests:
Russian Federation
Dmitry N. Shurpik, Cand. Sci. (Chemistry), Associate Professor, Department of Organic and Medicinal Chemistry, A.M. Butlerov Institute of Chemistry
Kazan, 420008
Competing Interests:
The authors declare no conflicts of interest.
I. I. Stoikov
Kazan Federal University
Russian Federation
Competing Interests:
Russian Federation
Ivan I. Stoikov, Dr. Sci. (Chemistry), Full Professor, Head of Department of Organic and Medicinal Chemistry, A.M. Butlerov Institute of Chemistry
Kazan, 420008
Competing Interests:
The authors declare no conflicts of interest.
G. A. Evtugyn
Kazan Federal University
Russian Federation
Competing Interests:
Russian Federation
Gennady A. Evtugyn, Dr. Sci. (Chemistry), Full Professor, Head of Department of Analytical Chemistry, A.M. Butlerov Institute of Chemistry
Kazan, 420008
Competing Interests:
The authors declare no conflicts of interest.
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Review
For citations:
Krasnova T.N., Kalinina M.A., Shurpik D.N., Stoikov I.I., Evtugyn G.A. Electrochemical characteristics of coatings based on carbon black and novel partially oxidized pillar[5]arenes. Uchenye Zapiski Kazanskogo Universiteta Seriya Estestvennye Nauki. 2025;167(1):5-23. (In Russ.) https://doi.org/10.26907/2542-064X.2025.1.5-23
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