Reduction-triggered aromatic to aromatic electronic structure switching in tribenzotetraazachlorin–fullerene conjugates
Abstract
Absorption spectral changes observed during sodium mirror reduction of tribenzotetraazachlorin–fullerene (TBTAC–C60) conjugates have clarified that electronic communication between the TBTAC and C60 moieties is switched off upon reduction of the conjugates. Spectroscopy has suggested that the anionic species retains its aromatic character.