Efficient Carbon Dot-Based Phosphorescent Materials with Time-Dependent Color-Changing through Surface Modification

Key Points

• The aim is to develop time-dependent color-changing phosphorescent materials for improved encryption.
• Utilized carbon dot-based materials with modified surfaces
• Explored dynamic emission color modulation techniques
• Evaluated temporal spectral evolution of afterglow properties
• Demonstrated significant control over emission colors through surface modifications
• Achieved enhanced afterglow duration suitable for encryption
• Revealed potential applications in advanced security measures