Abstract
This work continues EPR investigation of photocatalytic systems based on vanadium modified titanium dioxide (anatase) surface containing various concentrations of VO2+ paramagnetic centers (PCs). Three different types of the isolated PCs are revealed on the surface of V–TiO2 nanoparticles and quantitatively characterized. Time-dependent transitions among these PCs were observed and kinetic behavior was described using new theoretical approach and the developed numerical calculation procedure. The slow-process kinetic rate constant has been calculated from EPR data.
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Acknowledgements
This work was supported by the State assignment of RF № AAAA-A20-120021390044–2. We are thankful to Prof. A. Kh. Vorob’ev (Department of Chemistry, M. V. Lomonosov Moscow State University) provided us his computer Program package.
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Kulak, A.I., Travin, S.O. & Kokorin, A.I. Fine Analysis of the Structure and Dynamics of Vanadyl Complexes Adsorbed on TiO2 (Anatase) Surface: EPR Investigation. Appl Magn Reson 51, 1005–1017 (2020). https://doi.org/10.1007/s00723-020-01222-0
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DOI: https://doi.org/10.1007/s00723-020-01222-0