Concepedia

Optimized photoluminescence of red phosphor K<sub>2</sub>TiF<sub>6</sub>:Mn<sup>4+</sup>synthesized at room temperature and its formation mechanism

Lifen Lv, Zhen Chen, Guokui Liu, Shaoming Huang, Yuexiao Pan

Journal of Materials Chemistry C · 2014 · 111 citations · 28 references

DOI

Concepts

Abstract

The formation mechanism for red phosphors K<sub>2</sub>TiF<sub>6</sub>:Mn<sup>4+</sup>synthesized at room temperature has been discussed. The luminescence intensity has been improved by optimizing the synthetic process. Encapsulation of the red phosphor K<sub>2</sub>TiF<sub>6</sub>:Mn<sup>4+</sup>with YAG:Ce on a GaN layer produces “warm” white LEDs with color rendering 86 at 3251 K.

References

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