Journal
NEW JOURNAL OF CHEMISTRY
Volume 44, Issue 9, Pages 3566-3569Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9nj06090a
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Funding
- JSPS KAKENHI [15J05745]
- Grants-in-Aid for Scientific Research [15J05745] Funding Source: KAKEN
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An efficient synthesis method has been described to achieve a new ladder-type conjugated molecule: pi-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 pi-bridged insertion exhibits significant effects on photophysical and electrochemical properties compared with its macrocyclic counterpart.
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