Design of Eu3+-Doped Fluoride Phosphor with Zero Thermal Quenching Property Based on Density Functional Theory
Shaokun Ling,
Yaxiong Wang,
Xiaoyan Qin
et al.
Abstract:Although being applied in various fields, white light emitting diodes (WLEDs) still have drawbacks that urgently need to be conquered: the luminescent intensity of commercial phosphors sharply decreases at working temperature. In this study, we calculated the forming energy of defects and confirmed that the V Na defect state can stably exist in β-NaGdF 4 , by density functional theory (DFT) calculation. Furthermore, we predicted that the V Na vacancies would provide a zero thermal quenching (ZTQ) property for … Show more
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