ELECTROCHEMICAL AND ENZYME-LIKE ACTIVITY OF SELECTED BTC MOF-DERIVED METAL OXIDE NANOPARTICLES

17th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings, Volume II) (2024) [M-02-P, pp. 561-564]        

AUTHOR(S) / AUTOR(I): Milena Marković , Miloš Ognjanović and Branka B. Petković

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DOI: 10.46793/Phys.Chem24II.561M

ABSTRACT / SAŽETAK:

The goal of this work was to investigate and compare cerium, copper and iron oxide nanoparticles (NPs) obtained from trimesic acid (designated as BTC) metal-organic frameworks (MOFs) in terms of their electrochemical and enzyme-like catalytic properties. Thermal decomposition of MOFs was used for producing high-performance porous materials. The structural characterization was verified using powder X-ray diffraction (PXRD). Selected metal oxide nanoparticles were incorporated in carbon paste electrodes (CPEs) and electrochemical characterization of those modified CPEs was performed by electrochemical impedance spectroscopy and cyclic voltammetry in [Fe(CN)6]3–/4– redox system. Reaction of oxidation of TMB by hydrogen peroxide was used for studying the catalytic properties of selected BTC MOF-derived metal oxide nanoparticles. It was found that MOF-derived CuO/C NPs showed the highest electrochemical signal while BTC MOF-derived CeO2 NPs showed the highest catalytic activity.

KEYWORDS / KLJUČNE REČI:

ACKNOWLEDGEMENT / PROJEKAT:

Financial support for this study was granted by the Ministry of Education, Science and Technological Development of the Republic of Serbia Grant No. 451-03-65/2024-03/ 200123 and the Faculty of Sciences and Mathematics, University of Priština in Kosovska Mitrovica, Project Number IJ-2301.

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