Impact of Electron-Withdrawing Groups on the Performance of Triplet-Triplet Annihilation Upconversion Annihilators

Key Points

• This research investigates how electron-withdrawing groups influence the efficiency of triplet-triplet annihilation upconversion processes.
• Analyzed various TTA upconversion systems using different electron-withdrawing groups.
• Performed comparative assessments of upconversion efficiency across multiple photon energy levels.
• Demonstrated significant enhancements in upconversion efficiency with specific electron-withdrawing groups.
• Showed a higher energy photon yield from TTA processes when optimized with targeted chemical modifications.