Luminescence and sensory properties of PMMA films doped with a boron chelate

A. G. Mirochnik; E. V. Fedorenko; I. G. Nagornyi; O. A. Starovoit

doi:10.1134/S0030400X17050149

Luminescence and sensory properties of PMMA films doped with a boron chelate

Authors: Mirochnik A.G.¹, Fedorenko E.V.¹, Nagornyi I.G.², Starovoit O.A.³
Affiliations:
1. Institute of Chemistry, Far East Branch
2. Institute of Automation and Control Processes, Far East Branch
3. Far Eastern Federal University
Issue: Vol 122, No 5 (2017)
Pages: 764-767
Section: Condensed-Matter Spectroscopy
URL: https://ogarev-online.ru/0030-400X/article/view/165392
DOI: https://doi.org/10.1134/S0030400X17050149
ID: 165392

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Abstract

The optical sensory properties of polymethylmethacrylate films doped with 2,2-difluoro-4-methylnaphtho-[2,1-e]-1,3,2-dioxaborine (1) for water vapor are found. A mechanism of the optical response is proposed: water molecules contribute through hydrogen bonds to the dissociation of aggregates of 1 having intense excimer luminescence of J-aggregates. A sharp quenching of luminescence is observed. The spectrum of the films after exposure to water vapor corresponds to the monomer luminescence of 1.