Self-Absorption Effect in Polymer Films Doped with Difluoroboron β-Diketonates

The spectral properties of difluoroboron β‑diketonates in a polystyrene matrix have been studied. A bathochromic shift of the fluorescence bands of dyes in the steady-state luminescence spectra during the transition from solutions to polymer films was revealed, which is associated with the self-abso...

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Bibliographic Details
Published in:Russian Journal of Physical Chemistry A 2022-08, Vol.96 (8), p.1800-1804
Main Authors: Khrebtov, A. A., Fedorenko, E. V., Reutov, V. A., Mirochnik, A. G., Lim, L. A.
Format: Article
Language:English
Subjects:
Absorption
Chemistry
Chemistry and Materials Science
Dyes
Fluorescence
Photochemistry and Magnetochemistry
Physical Chemistry
Polymer films
Polymers
Polystyrene resins
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Summary:The spectral properties of difluoroboron β‑diketonates in a polystyrene matrix have been studied. A bathochromic shift of the fluorescence bands of dyes in the steady-state luminescence spectra during the transition from solutions to polymer films was revealed, which is associated with the self-absorption of dyes. It is shown that the use of a mask for excitation of a small section of the film is a simple and convenient method for preventing the effect of dye self-absorption in the film on the structure of the fluorescence spectrum.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024422080118