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Europium(II) Activated Blue-Cyan Aluminosilicate Phosphors with Zero Thermal Quenching

文献类型： 外文期刊

作者： Zhou, Xinzhe 1 ; Yao, Mingyu 1 ; Li, Zixuan 1 ; Li, Mengjiao 2 ; Li, Panlai 2 ; Zhang, Wei 3 ; Li, Huanrong 1 ;

作者机构： 1.Hebei Univ Technol, Sch Chem Engn & Technol, Tianjin 300130, Peoples R China

2.Hebei Univ, Coll Phys Sci & Technol, Baoding 071002, Peoples R China

3.Ningxia Acad Agr & Forestry Sci, Inst Agr Resources & Environm, Yinchuan 750026, Peoples R China

期刊名称：INORGANIC CHEMISTRY （ 影响因子：4.7； 五年影响因子：4.2 ）

ISSN： 0020-1669

年卷期： 2025 年 64 卷 26 期

页码：

收录情况： SCI

摘要： The '' cyan gap '' is the bottleneck of full-visible-spectrum white light-emitting diodes (WLEDs), and the development of high thermal stability blue-cyan phosphors plays a decisive role in compensating for the cyan gap. Herein, we report a blue-cyan-emitting celsian phosphor prepared using Ba2+-doped LTA/FAUX zeolite. Excited by UV light, celsian phosphors show a super broad emission at the blue-cyan range with a full width at half-maximum (fwhm) more than 100 nm, the broadband emission effectively eliminates the cyan gap and has excellent thermal quenching resistance (120% @ 25 degrees C). A full-visible-spectrum WLED device prepared using the phosphor exhibits a color rendering index as high as 93, exhibiting great advantages in WLEDs. These studies not only show great promise of celsian phosphor as a blue-cyan emitter but also open the way for the preparation of suitable phosphors in zeolite materials.

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