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Optics and Spectroscopy, 2018, Volume 125, Issue 4, Pages 463–467
DOI: https://doi.org/10.21883/OS.2018.10.46695.131-18 (Mi os878) 		 
Spectroscopy and physics of atoms and molecules

Investigation of transient state and dynamics of photochemical transformations of chromone molecules

S. V. Gagarskiia, E. P. Grebennikovb, V. V. Kiykoa, K. S. Levchenkob, A. N. Sergeeva, Ya. Yu. Fomichevaa, K. Oberhoferc, H. Iglevc

a ITMO University, 197101, St. Petersburg, Russia
b TsNITI Tekhnomash, 121108, Moscow, Russia
c Technical University of Munich, 80333 Munich, Germany
Full-text PDF (312 kB)
DOI: https://doi.org/10.21883/OS.2018.10.46695.131-18
Abstract: Results of investigation of the phototransformation dynamics of chromone molecules by means of a transient-state spectroscopy are presented. Changes in the spectrum of the optical density of chromone compounds dissolved in toluene in the process of their phototransformation are obtained on a time scale ranging from several hundred femtoseconds to several hundred picoseconds. Relaxation of an induced absorption spectrum is described by a biexponential function with characteristic time constants on the order of several picoseconds and several nanoseconds. A scheme of the phototransformation dynamics of chromone molecules corresponding to the observed dynamics of absorption spectra is proposed.
Received: 16.05.2018
English version:
Optics and Spectroscopy, 2018, Volume 125, Issue 4, Pages 482–486
DOI: https://doi.org/10.1134/S0030400X18100089
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. V. Gagarskii, E. P. Grebennikov, V. V. Kiyko, K. S. Levchenko, A. N. Sergeev, Ya. Yu. Fomicheva, K. Oberhofer, H. Iglev, “Investigation of transient state and dynamics of photochemical transformations of chromone molecules”, Optics and Spectroscopy, 125:4 (2018), 463–467; Optics and Spectroscopy, 125:4 (2018), 482–486
Citation in format AMSBIB
\Bibitem{GagGreKiy18}
\by S.~V.~Gagarskii, E.~P.~Grebennikov, V.~V.~Kiyko, K.~S.~Levchenko, A.~N.~Sergeev, Ya.~Yu.~Fomicheva, K.~Oberhofer, H.~Iglev
\paper Investigation of transient state and dynamics of photochemical transformations of chromone molecules
\jour Optics and Spectroscopy
\yr 2018
\vol 125
\issue 4
\pages 463--467
\mathnet{http://mi.mathnet.ru/os878}
\crossref{https://doi.org/10.21883/OS.2018.10.46695.131-18}
\elib{https://elibrary.ru/item.asp?id=36905246}
\transl
\jour Optics and Spectroscopy
\yr 2018
\vol 125
\issue 4
\pages 482--486
\crossref{https://doi.org/10.1134/S0030400X18100089}
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