Abstract
Steady state and transient fluorescence techniques were applied to investigate the intermolecular exciplex formation of the optically pure enantiomers of 1-pyrenylalanine (A1PME) with chiral p- l-alanino- N,N-dimethylaniline ( l-pAlDMA) and S-α-phenethyl- N,N-dimethylamine ( S-PhEA). The effect of the solvent polarity on the photophysics of these exciplexes was studied. The chiral discrimination in the exciplex formation is very weak. The steric effect of the alanine chain on the structure of the A1PME-pAlDMA exciplex is discussed.
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