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Interactions between π-conjugated chromophores in a giant molecular spoked wheel

Würsch, D. ; May, R. ; Wiederer, G. ; Jester, S.-S. ; Höger, S. ; Vogelsang, J. ; Lupton, J. M.


We discuss the intriguing photophysics of a giant molecular spoked wheel of pi-conjugated arylene-alkynylene chromophores on the single-molecule level. This "molecular mesoscopic'' structure, C1878H2682, shows fast switching between the 12 identical chromophores since the fluorescence is unpolarised but only one chromophore emits at a time.

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