Micro-sized K2SiF6:Mn4+ red phosphors for light emitting diodes synthesized by a simple method

Micro-sized K2SiF6:Mn4+ red phosphors for light emitting diodes synthesized by a simple method
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简单方法合成发光二极管用微型K2SiF6:Mn4红色荧光粉

DOI:
10.1142/s1793604717500163
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发表时间:
2017-06
影响因子:
1.3
通讯作者:
Yan Wen
Yan Wen
中科院分区:
材料科学4区
文献类型:
--
作者:
Yurong Shi;Wan Li;Yan Wen

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采用简单的方法制备了K2SiF6:Mn4+红色荧光粉。油酸(OA)作为分散剂和还原剂。在SiO2/KMnO4摩尔比固定的条件下,研究了OA的体积对形貌和发光性能的影响。采用x射线衍射(XRD)对相进行表征。利用扫描电镜(SEM)和发光光谱分别对其形貌和发光性能进行了表征。结果表明,得到的K2SiF6:Mn4+红色荧光粉的分散颗粒大~ 3μm,适合工业应用。
Micro-sized K2SiF6:Mn4+ red phosphor was prepared by a simple method. Oleic acid (OA) was used as dispersant and reductant. In a fixed condition of the mole ratio of SiO2/KMnO4, the effects of the volume of OA on the morphology and luminescence properties were studied. X-ray diffraction (XRD) was used to characterize the phase. Scanning electron microscopy (SEM) and luminescence spectra were carried out to identify the morphology and the luminescence properties, respectively. The results show that the dispersive particles of K2SiF6:Mn4+ red phosphor ∼ 3μm larger was obtained, which is suitable for industrial applications.
用于暖白光发光二极管的高效红色荧光粉 Cs2GeF6:Mn4
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