Scientists Create Tunable Afterglow Materials for Advanced Anti-Counterfeiting Technologies
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YouTubeSci-Front
Scientists Create Tunable Afterglow Materials for Advanced Anti-Counterfeiting Technologies
Scientists at HKUST have created organic materials that glow for nearly a full second — long after the light is turned off. Their secret? Pyridine-substituted triphenylamine molecules embedded in everyday polymers like PVA and PMMA. One version shines with an ultralong phosphorescence lifetime of 798 milliseconds and a 15% quantum yield. Add ...
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