[ASAP] Phosphorescence or Delayed Fluorescence? Fate of Excitons in Core-Substituted Naphthalimide-Derived Emitters and Ratiometric Optical Oxygen Sensors Posted on 12 August 2023 by Madalasa Mondal, Indrajit Giri, Ramen Patra, Mousumi Das, and Ratheesh K. Vijayaraghavan Chemistry of MaterialsDOI: 10.1021/acs.chemmater.3c01624