化工新型材料

化工新型材料 ›› 2025, Vol. 53 ›› Issue (11) : 116-119. DOI: 10.19817/j.cnki.issn1006-3536.2025.11.045

新材料与新技术

近紫外LED用NaMg(PO₃)₃∶Tb³⁺/Eu³⁺荧光粉的制备和发光性能研究

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Preparation and luminescence properties of NaMg(PO₃)₃∶Tb³⁺,Eu³⁺ phosphor for near-UV LEDs

Chen Licong, Xu Jiangtao, Guo Hongyang, Zhao Wenyu

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Received		Published
2024-11-07		2025-11-20
Issue Date	Revised Date
2025-11-17	2024-11-07

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摘要

采用高温固相法制备了一系列NaMg(PO₃)₃∶Tb³⁺,Eu³⁺荧光粉,利用X射线粉末衍射(XRD)、扫描电子显微镜(SEM)、光致发光光谱和变温光谱等手段对其物相结构、形貌粒度、发光性能及热稳定性进行测试和分析。结果表明:NaMg_0.6(PO₃)₃∶0.4Tb³⁺在378nm激发下发出Tb³⁺的特征绿光,NaMg_0.6(PO₃)₃∶0.4Eu³⁺在393nm激发下发出Eu³⁺的特征红光,NaMg_0.6-y(PO₃)₃∶0.4Tb³⁺,yEu³⁺在378nm激发下可发出橙色光。因此,NaMg(PO₃)₃∶Tb³⁺/Eu³⁺荧光粉可作为近紫外激发LED用荧光转换材料。

Abstract

A series of NaMg(PO₃)₃∶Tb³⁺,Eu³⁺ phosphors were prepared by high-temperature solid-state method.X-ray powder diffraction (XRD),scanning electron microscopy (SEM),photoluminescence spectroscopy and variable temperature spectroscopy were used to test and analyze the phase structure,morphology,particle size,luminescence properties and thermal stability.The results showed that NaMg_0.6(PO₃)₃∶0.4Tb³⁺ emitted the characteristic green light of Tb³⁺ under 378nm excitation.NaMg_0.6(PO₃)₃∶0.4Eu³⁺ emitted the characteristic red light of Eu³⁺ under 393nm excitation.NaMg_0.6-y(PO₃)₃∶0.4Tb³⁺,yEu³⁺ could emit orange light under 378nm excitation.Therefore,NaMg(PO₃)₃∶Tb³⁺,Eu³⁺ phosphors can be used as fluorescent conversion materials for near-ultraviolet excitation LEDs.

关键词

光致发光 / 荧光粉 / 发光性能 / 热稳定性

Key words

photoluminescence / fluorescent powder / luminescence property / heat stability

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近紫外LED用NaMg(PO₃)₃∶Tb³⁺/Eu³⁺荧光粉的制备和发光性能研究[J]. 化工新型材料, 2025, 53(11): 116-119 DOI:10.19817/j.cnki.issn1006-3536.2025.11.045

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