Radiative Stabilization of the Indenyl Cation: Recurrent Fluorescence in a Closed-Shell Polycyclic Aromatic Hydrocarbon

Author(s): James N. Bull, Arun Subramani, Chang Liu, Samuel J. P. Marlton, Eleanor K. Ashworth, Henrik Cederquist, Henning Zettergren, and Mark H. Stockett The harsh interstellar environment ought to destroy these carbon-rich molecules; experiments reveal their secret weapon. [Phys. Rev. Lett. 134, 228002] Published Fri Jun 06, 2025