Preparation of Ca2HfSi4O12:Ce3+, Tb3+ Green Phosphor with High Quantum Efficiency and Luminous Thermal Stability for WLEDs Application

Key Points

• The study aims to develop a green-emitting phosphor with high quantum efficiency and thermal stability for WLED applications.
• Fabrication of Ca2HfSi4O12:Ce3+, Tb3+ via solid-state reaction
• Characterization of excitation bands ranging from 200-400 nm
• The phosphor exhibits high quantum efficiency
• Demonstrates significant luminous thermal stability
• Effectively emits green light suitable for WLED applications