Abstract
Photoprocesses in bis(diethylaminobenzylidene)cyclopentanone (D1) and its bis(aza-18-crown-6) derivative (D2) have been studied in acetonitrile. The absorption, fluorescence, and phosphorescence spectra of D1 are similar to those of D2. Laser excitation of oxygen-free solutions of D1 and D2 leads to generation of a triplet state with a lifetime of ∼1 μs and two intermediate species with lifetimes of ∼100 μs and longer than 1 s.
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Original Russian Text © G.V. Zakharova, F.S. Zyuz’kevich, V.N. Nuriev, S.Z. Vatsadze, V.G. Plotnikov, S.P. Gromov, A.K. Chibisov, 2016, published in Khimiya Vysokikh Energii, 2016, Vol. 50, No. 1, pp. 29–33.
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Zakharova, G.V., Zyuz’kevich, F.S., Nuriev, V.N. et al. Photonics of bis(diethylaminobenzylidene)cyclopentanone and its analogue with the bisazacrown moiety in acetonitrile. High Energy Chem 50, 27–31 (2016). https://doi.org/10.1134/S0018143916010124
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DOI: https://doi.org/10.1134/S0018143916010124