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Orenburg State University november 24, 2024   RU/EN
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Kucherenko M.G., Dycembaev R.N., Izmodenova S.V.
MAGNETIC FIELD EFFECT ON ANNIHILATION OF TRIPLET ELECTRONIC EXCITATION, MIGRATING IN SPHERIC NANOPORES. VOLUME AND SURFACE WANDERING [№ 9 ' 2009]
The article studies the effect of external magnetic field on annihilation of triplet electronic excitation of organic molecules (anthracene, erythrosin), introduced into porous matrixes of silochrome. They have discovered the effect of monotone decrease of intensity of annihilation slowed fluorescence after changing induction of the field from 0 to 1 tesla. They offer a mathematic model of magnetosensitive process of annihilation inside of nanopores, taking into account specific features of wandering of reagents in small cavities of solid sorbents. They also detect essential distinctions in system response to external field effect depending on geometrical limitations of migration regime of annihilating particles.

Kucherenko M.G., Dyusembaev R.N.
DOUBLE-PULSE LASER ACTIVATION OF ORGANIC MOLECULES AND THEIR REACTION IN POLYMEROUS MATRIXES [№ 5 ' 2008]
Kinetics of phosphorescence and delayed fluorescence of xanthene dyes (eosin, erythrozonus) in polymer films at systems irradiation with two impulses of different duration (50 mks and 15 ns) with arbitrary interval between the moment of the beginning of their generalization with lasers (IAG: Nd3+) with diode and lamp pumping, is researched in this article. Time-solved signals of examples’ glowing in different conditions of double-step activation are registered. The authors suggest theoretical model of forming of luminescent response of system on given time regime of its photoexcitation, taking into account the origin of interparticle correlation in spatial allocation of interacting molecules. Migration-accelerated coupled annihilation of triplet electronic excitation – as key element of kinetic scheme was taken into calculation. Numeral appraisals of typical parameters of reaction, progressed at metathetical-resonance mechanism were made in this article.


Editor-in-chief
Sergey Aleksandrovich
MIROSHNIKOV

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© Электронное периодическое издание: ВЕСТНИК ОГУ on-line (VESTNIK OSU on-line), ISSN on-line 1814-6465
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Свидетельство о регистрации СМИ: Эл № ФС77-37678 от 29 сентября 2009 г.
Учредитель: Оренбургский государственный университет (ОГУ)
Главный редактор: С.А. Мирошников
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