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Comparative analysis of the phosphorescence characteristics of copper(II), platinum(II), and osmium(II) porphyrinates in polystyrene matrix at temperatures of 77 and 298 K

  • Nanoscale and Nanostructured Materials and Coatings
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Abstract

Comparative analysis of phosphorescence spectra of 15-crown-5-substituted copper(II) (Cu(II)TCP), platinum(II) (Pt(II)TCP), and osmium (II) (Os(II)TCP) posphyrinates in a polystyrene film, as well as of phosphorescence quenching curves, at the temperatures of 298 and 77 K is carried out. It is found that the halfwidth of emission bands decreases under cooling due to a decrease in the population of the vibration satellites of electron transitions and a shift of the emission band maximums into the blue spectral range is observed. The curves of phosphorescence quenching of metal porphyrinates at 298 and 77 K are analyzed. It is shown that copper(II) porphyrinate Cu(II)TCP can be of interest as a low-temperature sensor due to the considerable change in the phosphorescence lifetime at a decrease in temperature.

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Authors and Affiliations

  1. A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, 119071, Russia

    A. Yu. Chernyad’ev, V. A. Kotenev & A. Yu. Tsivadze

Authors
  1. A. Yu. Chernyad’ev
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  2. V. A. Kotenev
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  3. A. Yu. Tsivadze
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Correspondence to A. Yu. Chernyad’ev.

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Original Russian Text © A.Yu. Chernyad’ev, V.A. Kotenev, A.Yu. Tsivadze, 2017, published in Fizikokhimiya Poverkhnosti i Zashchita Materialov, 2017, Vol. 53, No. 4, pp. 403–407.

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Chernyad’ev, A.Y., Kotenev, V.A. & Tsivadze, A.Y. Comparative analysis of the phosphorescence characteristics of copper(II), platinum(II), and osmium(II) porphyrinates in polystyrene matrix at temperatures of 77 and 298 K. Prot Met Phys Chem Surf 53, 670–674 (2017). https://doi.org/10.1134/S2070205117040037

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  • DOI: https://doi.org/10.1134/S2070205117040037

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