Faraday communications. Intramolecular excimer formation in 1,5-di(9-anthryl)-n-pentane
Abstract
Steady-state absorption and time-resolved florescence studies of the bichromophore 1,5-di(9-anthryl)-n-pentane (A5A) in isopentane (IP)–methylcyclohexane (MCH)(3 : 1) are reported. It is demonstrated that in this solvent a significant proportion of the ground-state bichromophores exist in close, sandwich-like conformations which are able to form excimers directly upon excitation.