Shape-controlled synthesis of phosphor K2SiF6:Mn4+ nanorods and their luminescence properties?
CrystEngComm Pub Date: 2014-11-26 DOI: 10.1039/C4CE01907E
Abstract
A series of efficient red phosphor K2SiF6:Mn4+ nanoparticles with uniform morphology and dispersity were successfully prepared through a fast liquid–solid solution route at room temperature. Potassium oleate and SiO2 spheres/KMnO4 molar ratio play an important role in the formation of the nanorod structures. When the KOH/oleic acid quality ratio is about 2.5?:?1 and the SiO2 spheres/KMnO4 molar ratio is about 1?:?10, the length of the nanorods is 1–2 μm and the width is 300–700 nm. Under UV and blue excitation, K2SiF6:Mn4+ samples show strong red emission, corresponding to the characteristic lines of Mn4+.
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Journal Name：CrystEngComm
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CAS no.: 89640-58-4
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