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An efficient synthesis method has been described to achieve a new ladder-type conjugated molecule: π-bridged 9,9′-bifluorenylidene dimer (BBF). Theoretical calculations, absorption spectroscopy, electrochemistry, and fluorescence quenching experiments have been employed… Click to show full abstract
An efficient synthesis method has been described to achieve a new ladder-type conjugated molecule: π-bridged 9,9′-bifluorenylidene dimer (BBF). Theoretical calculations, absorption spectroscopy, electrochemistry, and fluorescence quenching experiments have been employed to reveal that a ladder-type connection of BBF has all 9,9′-bifluorenylidene subunits to contribute to its frontier orbitals, with good electron acceptability. We also demonstrated that such a π-bridged insertion exhibits significant effects on photophysical and electrochemical properties compared with its macrocyclic counterpart.
Journal Title: New Journal of Chemistry
Year Published: 2020
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