Theoretical Study of Structure and Photophysics of Homologous Series of Bis(arylydene)cycloalkanones
Roman O. Starostin,
Alexandra Ya. Freidzon,
Sergey P. Gromov
Abstract:Photophysical properties of a series of bis(arylydene)cycloalkanone dyes with various donor substituents are studied using quantum chemistry. Their capacity for luminescence and nonradiative relaxation through trans–cis isomerization is related to their structure, in particular, to the donor capacity of the substituents and the degree of conjugation due to the central cycloalkanone moiety. It is shown that cyclohexanone central moiety introduces distortions and disrupts the conjugation, thus leading to a nonmo… Show more
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