✦ LIBER ✦

Solvent and temperature effects on the decay dynamics of [p-N,N-(dialkylamino)benzylidene]malononitriles

✍ Scribed by A. Safarzadeh-Amiri

Publisher: Elsevier Science
Year: 1986
Tongue: English
Weight: 555 KB
Volume: 129
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(86)80201-9

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✦ Synopsis

The effects of solvent and temperature on the decay kinetics of p-(dialkylamino)benzylidenemalononitrile

(1) and julodlnemalononitrile

(3) has been studied in glycerol and triacetin. The fluorescence decay curves of these compounds were non-exponential and varied slightly with wavelength. This is attributed to the existence of two ground state conformers and to reorientation of the solvent cage around solute molecules. The results were explained in terms of tram + cis photoisomerization.

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