photonics of bis(18-crown-6)-1,4-distyrylbenzene and Its complexes with metal perchlorates


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Photoprocesses in bis(18-crown-6)-1,4-distyrylbenzene (DSB) and its complexes with potassium, barium, and lead perchlorates have been studied in MeCN solutions by absorption, luminescent, and laser kinetic spectroscopy. The DSB molecules in the triplet state participate in the degradation of electron excitation energy, cis–trans isomerization, and fluorescence. The triplet–triplet absorption spectrum has several maximums in the range of 500–700 nm. The most efficient intersystem crossing to the triplet state is observed for the lead perchlorate complex, which is accompanied by a drop in the fluorescence quantum yield and the absence of trans–cis isomerization.

作者简介

L. Atabekyan

Photochemistry Center, “Crystallography and Photonics” Federal Scientific Center, Russian Academy of Sciences

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Email: levat51@mail.ru
俄罗斯联邦, Moscow, 119421

V. Avakyan

Photochemistry Center, “Crystallography and Photonics” Federal Scientific Center, Russian Academy of Sciences; Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: levat51@mail.ru
俄罗斯联邦, Moscow, 119421; Chernogolovka, Moscow oblast, 142432

A. Chibisov

Photochemistry Center, “Crystallography and Photonics” Federal Scientific Center, Russian Academy of Sciences

Email: levat51@mail.ru
俄罗斯联邦, Moscow, 119421

S. Gromov

Photochemistry Center, “Crystallography and Photonics” Federal Scientific Center, Russian Academy of Sciences; Faculty of Chemistry, Moscow State University

Email: levat51@mail.ru
俄罗斯联邦, Moscow, 119421; Moscow, 119991

S. Vatsadze

Photochemistry Center, “Crystallography and Photonics” Federal Scientific Center, Russian Academy of Sciences; Faculty of Chemistry, Moscow State University

Email: levat51@mail.ru
俄罗斯联邦, Moscow, 119421; Moscow, 119991

V. Nuriev

Photochemistry Center, “Crystallography and Photonics” Federal Scientific Center, Russian Academy of Sciences; Faculty of Chemistry, Moscow State University

Email: levat51@mail.ru
俄罗斯联邦, Moscow, 119421; Moscow, 119991

A. Medved’ko

Photochemistry Center, “Crystallography and Photonics” Federal Scientific Center, Russian Academy of Sciences; Faculty of Chemistry, Moscow State University

Email: levat51@mail.ru
俄罗斯联邦, Moscow, 119421; Moscow, 119991

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