Electrochromic and electrofluorochromic properties of a new boron dipyrromethene–ferrocene conjugate
Galangau, O., Fabre-Francke, I., Munteanu, S., Dumas-Verdes, C., Clavier, G., Méallet-Renault, R., Pansu, R.B., Hartl, F.
It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1016/j.electacta.2012.09.048 Abstract/SummaryA new boron dipyrromethene–ferrocene (BODIPY–Fc) conjugate with pentafluorophenyl as the meso substituent and two Fc termini was synthesized and its spectroscopic and electrochemical features were analyzed. An intramolecular charge transfer from the donor Fc to the acceptor BODIPY has been predicted by theory and confirmed experimentally, leading to efficient fluorescence quenching when the dyad is in the neutral state. Fluorescence can be triggered by oxidizing both ferrocenyl units either chemically or electrochemically. Eventually, a fully reversible fluorescence switch is evidenced by coupling TIRF microscopy with electrolysis in an electrochemical cell.
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