Aromatic Phosphonate-Based Luminophores: Universal Building Blocks for Ultralong Room‑Temperature Phosphorescence and Multifunctional Applications

Key Points

• The aim is to construct ultralong room-temperature phosphorescence materials with high quantum yield and longevity.
• Investigate organic materials for phosphorescence properties
• Analyze effects of molecular aggregation on non-radiative transitions
• Assess vibrational relaxation processes
• Achieved high photoluminescence quantum yield
• Demonstrated longevity of phosphorescence
• Found molecular aggregation and vibrational relaxation impact performance