Christian Trieflinger, Holger Röhr, Knut Rurack and Jörg Daub Multiple Switching and Photogated Electrochemiluminescence Expressed by a Dihydroazulene/Boron Dipyrromethene Dyad Angewandte Chemie International Edition 44
Optical control of the photo- and electrochemiluminescence of a brightly fluorescent reporter group is possible by switching between the photochromic units of dyads 1 a and 1 b. Irradiation, that is, writing in information, with UV light converts the highly luminescent dihydroazulene 1 a into the weakly emissive vinylheptafulvene 1 b. Readout of the system can be performed by either electrochemically generated or photogenerated luminescence.
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