Abstract
The charge-transfer interactions between the five trans-n-styrylphenanthrene isomers (t-n-StPh, with n=1, 2, 3, 4, and 9) and amines (tributylamine (TBA), diethylaniline (DEA), and 4-bromodimethylaniline (BrDMA)) have been studied in n-hexane by measuring the fluorescence spectra and trans→cis photoisomerization quantum yields as a function of the amine concentration. The effect of bromopropane on the photophysical and photochemical behavior of the StPh isomers has also been investigated. The results have shown that the photophysical and photochemical behavior of the olefin-amine systems can be controlled and tuned by addition of suitable and different quenchers
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