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Ba3Y(PO4)3:Sm3+, Eu3+红光荧光粉的发光和能量传递的研究
综合研究 | 更新时间：2026-05-27
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Ba3Y(PO4)3:Sm3+, Eu3+红光荧光粉的发光和能量传递的研究
Luminescent Characteristics and Energy Transfer of Ba3Y(PO4)3: Sm3+, Eu3+ Red Phosphor
- 广东工业大学学报 2017年34卷第2期 页码：40-47
- 作者机构：
- 作者简介：
黄保裕(1991-),男,硕士研究生,主要研究方向为光电功能材料.
罗莉(1968-),女,教授,硕士生导师,主要研究方向为光电功能材料.E-mail:luoli@gdut.edu.cn
- 基金信息：国家自然科学基金资助项目（11574058）
DOI：10.12052/gdutxb.160027
中图分类号： O482.31-
网络首发：2017-03-09，
纸质出版：2017
- 稿件说明：
移动端阅览
黄保裕, 罗莉, 王银海, 韩春龙. Ba3Y(PO4)3:Sm3+, Eu3+红光荧光粉的发光和能量传递的研究[J]. 广东工业大学学报, 2017, 34(2): 40-47. DOI: 10.12052/gdutxb.160027.
Huang Bao-yu, Luo Li, Wang Yin-hai, et al. Luminescent Characteristics and Energy Transfer of Ba3Y(PO4)3: Sm3+, Eu3+ Red Phosphor[J]. 2017, 34(2): 40-47. DOI: 10.12052/gdutxb.160027.
黄保裕, 罗莉, 王银海, 韩春龙. Ba3Y(PO4)3:Sm3+, Eu3+红光荧光粉的发光和能量传递的研究[J]. 广东工业大学学报, 2017, 34(2): 40-47. DOI: 10.12052/gdutxb.160027. DOI：
Huang Bao-yu, Luo Li, Wang Yin-hai, et al. Luminescent Characteristics and Energy Transfer of Ba3Y(PO4)3: Sm3+, Eu3+ Red Phosphor[J]. 2017, 34(2): 40-47. DOI: 10.12052/gdutxb.160027. DOI：
Ba3Y(PO4)3:Sm3+, Eu3+红光荧光粉的发光和能量传递的研究
摘要
采用传统高温固相法在空气氛围下制备了Ba
3
Y（PO
4
）
3
（BYP），Ba
3
Y（PO
4
）
3
：Sm
3+
（BYP：Sm
3+
），Ba
3
Y（PO
4
）
3
：Eu
3+
（BYP：Eu
3+
）和Ba
3
Y（PO
4
）
3
：Sm
3+
，Eu
3+
（BYP：Sm
3+
，Eu
3+
）一系列红光荧光粉.利用X射线衍射仪X-ray Diffraction（XRD）、漫反射光谱Diffuse-reflection Spectra（DRS）和荧光光谱仪Photoluminescence（PL）对该材料的晶体结构和光学性能进行研究.结果分析表明，样品的XRD图谱不含BYP以外的杂峰，稀土离子掺杂并未改变基质的晶体结构，得到样品为纯相的磷酸钇钡.通过对其荧光光谱的研究，发现Sm
3+
的最佳掺杂摩尔分数为4%.根据Dexter理论分析，其猝灭机理为电偶极-电偶极相互作用.观察光谱发现402 nm的激发光并不能有效地激发BYP：Eu
3+
样品使其呈现Eu
3+
离子的特征发射，但是当Sm
3+
-Eu
3+
共掺时却能得到有效的Eu
3+
特征发射.这是由于Sm
3+
和Eu
3+
离子之间发生了能量传递.Sm
3+
既可以作为敏化剂又可以做发光中心，在这种基质先前的研究中未见报道.研究还发现此荧光粉在近紫外（NUV）区域有很好的吸收，发光效率较高.Sm
3+
-Eu
3+
共掺使红光发射的激发谱变宽，解决了商用红光荧光粉（Y
2
O
3
：Eu
3+
，Y
2
O
2
S：Eu
3+
）不能很好地跟LED芯片匹配和发光效率低的问题.通过光谱数据计算得到BYP：0.04Sm
3+
和BYP：0.04Sm
3+
，014Eu
3+
红光发射的色度坐标分别为（0.585，0.414）和（0.617，0.372）.Eu
3+
的引入可有效提高BYP：Sm
3+
发光的色纯度，使之更好地接近国际红光标准（0.670，0.330）.结果表明，在近紫外光激发下，Sm
3+
-Eu
3+
共掺BYP可作为一种红色荧光粉在白光LED或LCD背光源上有潜在应用.
Abstract
Novel Ba
3
Y(PO
4
)
3
:Sm
3+
Eu
3+
(BYP:Sm
3+
Eu
3+
) phosphor were synthesized by a standard solid-state reaction under normal ambient air and their structural and optical properties were investigated. X-ray diffraction (XRD) patterns and diffuse reflection spectra (DRS) were used to explore their structural properties. XRD showed that single cubic phase phosphor was obtained. The photoluminescence properties
energy transfer and concentration quenching were investigated in the excitation and emission spectra. Optimal doping concentration of Sm
3+
in BYP:Sm
3+
phosphor is just about 4% and corresponding quenching behavior is ascribed to be electric dipole-dipole interaction according to Dexter's theory. It is concluded from the excitation spectrum that 402 nm photons cannot effectively excite singly Eu
3+
doped BYP phosphor to get character emission peaks of Eu
3+
. But when co-doped with Sm
3+
character emission peaks of Eu
3+
is found under the excitation of 402 nm due to the energy transfer from Sm
3+
to Eu
3+
. Sm
3+
can be used as a sensitizer and activator
this phenomenon has not been reported in the kind of matrix. It is also found that the phosphor has good absorption in the near ultraviolet (NUV) area and high emission efficiency. By the co-doping of Sm
3+
-Eu
3+
ions
absorption spectrum became wider and stronger from ultraviolet to viewing area than that of the singly doped samples. Thus the difficulty of red commercial phosphor (Y
2
O
3
:Eu
3+
Y
2
O
2
S:Eu
3+
) not matching well with NUV-LED chip and the problem of low luminous efficiency are solved. Furthermore
the chromaticity coordinates of BYP:Sm
3+
and BYP:0.04Sm
3+
014Eu
3+
phosphor are calculated to be (0.585
0.414) and (0.617
0.372)
respectively. The chromaticity coordinates of BYP:Sm
3+
can be regulated to approach the NTSC standard values of red phosphor by co-doping with Eu
3+
ions. The results show that BYP:0.04Sm
3+
014Eu
3+
may be a promising red-emitting phosphor for NUV-based white LED or backlight of LCD.
关键词
Keywords
references
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