研究目的
To enhance luminescence efficiency of phosphor plates for white light emitting diodes (wLEDs) using MgF2 porous nanoparticle-silica hybrid coating layers.
研究成果
The hybrid coating of porous MgF2 nanoparticles and silica significantly enhances the luminescence efficiency and mechanical durability of phosphor plates for wLEDs, providing a promising approach for high-performance lighting applications.
研究不足
The study focuses on the enhancement of luminescence efficiency and mechanical durability but may not address all potential thermal and chemical stability issues under extreme conditions.
1：Experimental Design and Method Selection:
The study utilized a hybrid coating approach involving silica and chemically synthesized porous MgF2 nanoparticles deposited by spin coating on phosphor plates with phosphor-in-glass (PiG) configuration.
2：Sample Selection and Data Sources:
Phosphor plates were prepared using glass frits and yellow phosphor powders, sintered, cut, and lapped before coating.
3：List of Experimental Equipment and Materials:
Included spin coater, spectroscopic ellipsometer, transmission electron microscopy, and abrasion test equipment.
4：Experimental Procedures and Operational Workflow:
Sequential deposition of silica and MgF2 nanoparticles by spin coating, followed by drying and sintering.
5：Data Analysis Methods:
Numerical estimation based on transfer matrix method for optical properties, and characterization of luminescence and mechanical durability.
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