Journal
OPTICS AND SPECTROSCOPY
Volume 122, Issue 5, Pages 764-767Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0030400X17050149
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Funding
- Program of the Far East Branch of the Russian Academy of Sciences [15-I-7-018]
- Russian Science Foundation [14-50-00034]
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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.
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