Excited-state dipole moments of dual fluorescent 4-(dialkylamino)benzonitriles: influence of alkyl chain length and effective solvent polarity
01 Dec 1992-The Journal of Physical Chemistry (American Chemical Society)-Vol. 96, Iss: 26, pp 10809-10819
TL;DR: In this article, the excited-state dipole moments of aminobenzonitriles have been determined in cyclohexane, benzene, and 1,4-dioxane using time-resolved microwave conductivity (TRMC) and fluorescence spectroscopy techniques.
Abstract: Singlet excited-state dipole moments of a number of aminobenzonitriles have been determined in cyclohexane, benzene, and 1,4-dioxane, using time-resolved microwave conductivity (TRMC) and fluorescence spectroscopy techniques. For the 4-(dialkylamino)benzonitriles (methyl, ethyl, propyl, and decyl) intramolecular charge transfer (ICT) occurs in the excited singlet state even in the nonpolar solvent cyclohexane
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TL;DR: The photophysical behavior of newly synthesized aza crown-substituted boron−dipyrromethene (BDP) dye and its dimethylamino analogue were investigated with steady-state and time-resolved fluorometry and compared to a reference compound as mentioned in this paper.
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