化工新型材料

化工新型材料 ›› 2026, Vol. 54 ›› Issue (7) : 118-122. DOI: 10.19817/j.cnki.issn1006-3536.2026.07.040

新材料与新技术

Sr₃Y_1-xB₃O₉:xEu³⁺新型荧光粉的制备及性能研究

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Study on preparation and properties of new Sr₃Y_1-xB₃O₉:xEu³⁺ phosphors

Sun Jingwei¹, Cao Yuxia², Zhou Haijing², Hao Bin², Yuan Bolin², Chen Junshuai², Cao Shuoqi², Wang Haifeng²

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Received
2026-01-05
Issue Date	Revised Date
2026-07-15	2026-01-05

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摘要

以Sr₃YB₃O₉为基质,Eu³⁺离子为激活剂,采用高温固相法合成了Sr₃YB₃O₉:Eu³⁺荧光粉,并采用扫描电子显微镜(SEM)、X射线衍射仪(XRD)、荧光分光光度计、色坐标对荧光粉的结构和性能进行了表征。结果表明:Sr₃Y_0.8B₃O₉:0.2Eu³⁺荧光粉为纯相,其最优制备条件为烧结温度1250℃,保温时间4h,Eu³⁺掺量20％。在394nm的紫外光激发下,荧光粉的发射光谱出现5个发射峰,分别位于578nm、592nm、612nm、651nm和702nm处,其中,最高峰位于612nm处,主要是由于Eu³⁺的 ⁵D₀→⁷F₂跃迁。荧光粉的浓度猝灭机理为四极-四极(Q-Q)相互作用。所有Eu³⁺掺量的荧光粉色纯度均在90%左右,色温均在2000K左右,属于暖红光,其在紫外光激发的固态照明领域具有应用前景。

Abstract

Taking Sr₃YB₃O₉ as matrix and Eu³⁺ ions as activator,Sr₃YB₃O₉:Eu³⁺ phosphors were synthesized by high-temperature solid-phase method.The structure and properties of the phosphors were characterized by SEM,XRD,flourescence spectrophotometer and commission internationale de I'Éclairage (CIE) coordinate.The results showed that the Sr₃Y_0.8B₃O₉:20% Eu³⁺ phosphor was pure phase,and its optimal preparation conditions were a sintering temperature of 1250℃,a holding time of 4h,and an Eu³⁺ doping amount of 20%.Under excitation by 394nm ultraviolet light,the emission spectrum of the phosphor exhibited five emission peaks at 578nm,592nm,612nm,651nm and 702nm,respectively.Among them,the highest peak was located at 612nm,which was mainly attribited to the ⁵D₀→⁷F₂ transition of Eu³⁺.The concentration quenching mechanism of the phosphors was quadrupole-quadrupole (Q-Q) interaction.The color purity of all phosphors was about 90% and the correlated color temperature was approximately 2000K,belonging to warm red light range.These phosphors hold promising application prospects in the field of solid-state lighting under ultraviolet excitation.

关键词

荧光粉 / Eu³⁺ / 高温固相法 / Sr₃YB₃O₉ / 发光性能

Key words

phosphor / Eu³⁺ / high temperature solid state method / Sr₃YB₃O₉ / luminescent property

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Sr₃Y_1-xB₃O₉:xEu³⁺新型荧光粉的制备及性能研究[J]. 化工新型材料, 2026, 54(7): 118-122 DOI:10.19817/j.cnki.issn1006-3536.2026.07.040

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