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N-Dansyl-carbazoloquinone; a chemical and electrochemical fluorescent switch |
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| Authors: | RA Illos LJW Shimon S Bittner |
| Institution: | a Department of Chemistry, Ben-Gurion University of the Negev, PO Box 653, Beer Sheva 84105, Israel b X-ray Crystallography Laboratory, Department of Chemical Services, Weizmann Institute of Science, 76100 Rehovot, Israel c Chemistry Department, Nuclear Research Centre Negev, Beer Sheva, Israel |
| Abstract: | A new ‘push-pull’ molecule having an efficient fluorophore (dansyl) in electronic communication with an active redox quencher (phenyl-carbazoloquinone) through an NH-bridge was designed and synthesized. This all-organic molecule is suggested as a highly reversible ‘on/off’ molecular switching system. Chemical and electrochemical inter-conversion between the quinone acceptor and the dansyl donor were demonstrated via UV-vis, cyclic voltammetry and fluorescence measurements. |
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