✍ Scribed by Prof. Franz Effenberger; Claus-Peter Niesert; Dr. Lukas Häußling; Prof. Helmut Ringsdorf; Dr. Christoph Bubeck; Dr. Dieter Neher
No coin nor oath required. For personal study only.
Large molecules containing different chemical units whose interactions within the molecule result in new macroscopically observable effects, have become increasingly important."] The organization of molecules of this type in ordered structures leads to functional molecular materials.[*] Their use in molecular electronics[31 requires that the units exhibit specific electronic propertie~. [~] Recently, we reported on the intramolecular energy transfer through terminally substituted conjugated polyenes.['] An intramolecular electron transfer within donor-acceptor substituted polyenes can be achieved by introducing suitable terminal
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The photophysical properties of a bicyclohexylidene (1 DA) and a bicyclohexyl (2 DA) substituted with an anilino electron donor and a dicyanoethylene electron acceptor have been studied. Quenching of local donor emission is observed for these compounds as well as quenching of the ªpseudo-localº acce