Time-resolved fluorescence studies of an electron donor–acceptor modified helical oligopeptide, in acetonitrile, show a biexponential decay with a short lifetime component attributed to rapid photoinduced electron transfer (PET), which increases from 15% of the total fluorescence at –40 °C to 58% on warming to 0 °C and then more gradually to 67% at 60 °C.
F. Donald, G. Hungerford, D. J. S. Birch and B. D. Moore, J. Chem. Soc., Chem. Commun., 1995, 313 DOI: 10.1039/C39950000313
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