SAGARA (A03), HASOBE (A02) et al. elucidated the main cause of the quenching of rotaxane-based supramolecular mechanophores featuring acenes as fluorophores by conducting transient absorption spectroscopy.

Quenching Mechanism in Rotaxane Mechanophores: Insights from Acene-Based Luminophores

K. Nonaka, H. Sakai, R. Mori, N. Shimada, S. Hatatsu, T. Hasobe, Y. Sagara

DOI: 10.1039/D5SC05343A