Complexation of a crown-substituted naphthalimide derivative with heavy metals in Langmuir monolayers


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Abstract

It was demonstrated that, in contrast to a solution in an organic solvent, the relaxation of the excited state of a fluorophore moiety proceeds mainly radiationless upon the formation of naphthalimide fluoroionophore complexes with complementary cations in a monolayer on a water surface. Apparently, this is due to the fact that the distribution of the energy levels of molecular orbitals in the fluoroionophore complexes with cations at the air-water interfaces changes in such a way that relaxation of the excited state via charge transfer within the complex molecule remains possible.

About the authors

I. I. Shepeleva

A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences; Russian Technological University, M. V. Lomonosov Moscow State University of Fine Chemical Technologies

Email: sofs@list.ru
Russian Federation, Build. 4, 31 Leninsky prosp., Moscow, 119071; 86 prosp. Vernadskogo, Moscow, 119571

A. V. Shokurov

A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences

Email: sofs@list.ru
Russian Federation, Build. 4, 31 Leninsky prosp., Moscow, 119071

L. B. Bogdanova

A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences

Email: sofs@list.ru
Russian Federation, Build. 4, 31 Leninsky prosp., Moscow, 119071

V. V. Arslanov

A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences

Email: sofs@list.ru
Russian Federation, Build. 4, 31 Leninsky prosp., Moscow, 119071

P. A. Panchenko

A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences

Email: sofs@list.ru
Russian Federation, 28 ul. Vavilova, Moscow, 119991

O. A. Fedorova

A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences

Email: sofs@list.ru
Russian Federation, 28 ul. Vavilova, Moscow, 119991

S. L. Selektor

A. N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences

Author for correspondence.
Email: sofs@list.ru
Russian Federation, Build. 4, 31 Leninsky prosp., Moscow, 119071


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