The enhancement of moisture resistance of organic-inorganic hybrid [N(CH3)4]2TiF6: Mn4+ phosphor

Tianmou Xu; Peiqing Cai; Zugang Liu

doi:10.1117/12.2628501

16 February 2022 The enhancement of moisture resistance of organic-inorganic hybrid [N(CH₃)₄]₂TiF₆: Mn⁴⁺ phosphor

Tianmou Xu, Peiqing Cai, Zugang Liu

Proceedings Volume 12164, International Conference on Optoelectronic Materials and Devices (ICOMD 2021); 1216418 (2022) https://doi.org/10.1117/12.2628501
Event: 2021 International Conference on Optoelectronic Materials and Devices, 2021, Guangzhou, China

Abstract

The white LED lighting technology has been widely used in daily life, due to the high efficiency, low cost, and remarkable energy conservation. Traditional cold white LED products based on yellow phosphor YAG: Ce³⁺ and blue LED chips is with low color rendering index due to lack of warm red part, and cannot meet the requirements of indoor lighting. Mn⁴⁺ doped fluoride material is one kind of narrow red phosphors emerging in recent years used for both display and lighting. However, the moisture resistance of the Mn⁴⁺ doped fluoride phosphor is poor at present. Herein, we modified the Mn⁴⁺ doped [N(CH₃)₄]₂TiF₆ red phosphor by introducing mixed of external organic ligands to coating the effective luminescent cores, which could significantly improve the fluorescence stability in humidity at room temperature.

Citation Download Citation

Tianmou Xu, Peiqing Cai, and Zugang Liu "The enhancement of moisture resistance of organic-inorganic hybrid [N(CH₃)₄]₂TiF₆: Mn⁴⁺ phosphor", Proc. SPIE 12164, International Conference on Optoelectronic Materials and Devices (ICOMD 2021), 1216418 (16 February 2022); https://doi.org/10.1117/12.2628501

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