Defect-induced new persistent cyan-emitting rare-earth-free phosphors for dynamic anti-counterfeiting and plant-growth LED applications
K. K. Thejas, Sariga C. Lal, Reshmi Thekke Parayil, Santosh K. Gupta, Subrata Das
Abstract
The mixture of persistent blue and deep red-emitting systems is suitable for currency and QR code anti-counterfeiting due to the persistent blue emission and as plant growth lighting due to their emission overlapping with plant pigments’ absorption.
Topics & Concepts
CyanPhosphorMaterials scienceLight-emitting diodeRare earthBlue lightAbsorption (acoustics)OptoelectronicsPersistent luminescencePlant growthLuminescenceOpticsMetallurgyBotanyBiologyComposite materialThermoluminescencePhysicsLuminescence Properties of Advanced MaterialsNanocluster Synthesis and ApplicationsQuantum Dots Synthesis And Properties