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1.太原理工大学 物理与光电工程学院, 山西 太原 030024
2.太原师范学院 物理系, 山西 晋中 030619
张立平(2000-),女,山东济南人,硕士,2025年于太原理工大学获得硕士学位,主要从事WLED用Eu2+掺杂无机发光材料的研究。 E-mail: zlptyut@163.com
高成艳(1992-),女,山西吕梁人,博士,讲师,2020年于北京师范大学获得博士学位,主要从事量子通信中光子纠缠与噪声处理的研究。 E-mail: gcygcy@tynu.edu.cn
乔建伟(1990-),男,山西吕梁人,博士,副教授,2020年于北京科技大学获得博士学位,主要从事稀土发光材料及光电器件领域的研究。 E-mail: qiaojianwei@tyut.edu.cn
收稿:2025-03-26,
修回:2025-04-16,
纸质出版:2025-10-25
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张立平,高成艳,时秋峰等.Eu2+激活新型磷灰石单一基质白光荧光粉[J].发光学报,2025,46(10):1862-1869. DOI: 10.37188/CJL.20250096. CSTR: 32170.14.CJL.20250096.
ZHANG Liping,GAO Chengyan,SHI Qiufeng,et al.Novel Eu2+-activated Apatite Single-host White-emitting Phosphors[J].Chinese Journal of Luminescence,2025,46(10):1862-1869. DOI: 10.37188/CJL.20250096. CSTR: 32170.14.CJL.20250096.
张立平,高成艳,时秋峰等.Eu2+激活新型磷灰石单一基质白光荧光粉[J].发光学报,2025,46(10):1862-1869. DOI: 10.37188/CJL.20250096. CSTR: 32170.14.CJL.20250096. DOI:
ZHANG Liping,GAO Chengyan,SHI Qiufeng,et al.Novel Eu2+-activated Apatite Single-host White-emitting Phosphors[J].Chinese Journal of Luminescence,2025,46(10):1862-1869. DOI: 10.37188/CJL.20250096. CSTR: 32170.14.CJL.20250096. DOI:
单一基质白光材料因其优异的色度稳定性和简化封装工艺,成为固态照明领域的研究热点。然而,在单激活剂离子体系中实现暖白光发射仍面临发射光谱窄、效率低等挑战。本研究通过La/Sr异价取代策略调控Eu
2+
在不同格位中的占据,成功制备了系列发光可调的La
7.75-
x
Sr
x
Lu
1.25
Bi(SiO
4
)
6
O
3
∶0.03Eu
2+
(
x
=0~3.5)荧光材料。当
x
=0时,材料仅呈现520 nm的窄带绿光发射;随Sr
2+
掺杂量增加(
x
=1→3.5),Eu
2+
离子的格位占据由双格位扩展至四格位,获得了内量子效率72.5%、光谱覆盖450~750 nm的宽带单一基质白光发射;同时异价取代引入了缺陷能级将热稳定性提升了约4倍。将La
4.25
Sr
3.5
Lu
1.25
Bi(SiO
4
)
6
O
3
∶Eu
2+
样品与365 nm紫外芯片封装获得了显色指数72、色温4 853 K的白光LED器件。
Single-host white emitting materials have emerged as a research hotspot in solid-state lighting due to their superior chromatic stability and simplified encapsulation processes. However, achieving warm white light emission through single-activator ions remains challenging due to narrow emission spectra and low efficiency. In this study, a series of luminescent-tunable La
7.75-
x
Sr
x
Lu
1.25
Bi(SiO
4
)
6
O
3
∶0.03Eu
2+
phosphors were successfully synthesized
via
a La/Sr heterovalent substitution strategy, which regulates the occupancy ratio of Eu
2+
in different lattice sites. When
x
=0, the material exhibits only a narrow-band green emission at 520 nm
. As the Sr
2+
doping concentration increases (
x
=1-3.5), the Eu
2+
occupancy expands from dual-site to four-site configurations, resulting in broadband warm white light emission spanning 450-750 nm with a quantum efficiency of 72.5%. Concurrently, heterovalent substitution introduces defect energy levels, enhancing thermal stability by approximately 4 times. The optimized La
4.25
Sr
3.5
Lu
1.25
Bi(SiO
4
)
6
O
3
∶Eu
2+
sample was encapsulated with a 365 nm UV chip, achieving a white LED device with a color rendering index (CRI) of 72 and a correlated color temperature (CCT) of 4 853 K.
ZHANG R , LIN H , YU Y L , et al . A new-generation color converter for high-power white LED: transparent Ce 3+ ∶YAG phosphor-in-glass [J]. Laser Photonics Rev. , 2014 , 8 ( 1 ): 158 - 164 . doi: 10.1002/lpor.201300140 http://dx.doi.org/10.1002/lpor.201300140
LI S X , XIA Y H , AMACHRAA M , et al . Data-driven discovery of full-visible-spectrum phosphor [J]. Chem. Mater. , 2019 , 31 ( 16 ): 6286 - 6294 . doi: 10.1021/acs.chemmater.9b02505 http://dx.doi.org/10.1021/acs.chemmater.9b02505
HU T , XIA Z G , ZHANG Q Y . (INVITED)broadband emission of Lu 2 SrAl 4 SiO 12 ∶Eu 2+ phosphor for full-spectrum lighting [J]. Opt. Mater.: X , 2022 , 13 : 100138 . doi: 10.1016/j.omx.2022.100138 http://dx.doi.org/10.1016/j.omx.2022.100138
CAO Y X , WANG X C , DING J Y , et al . Constructing a single-white-light emission by finely modulating the occupancy of luminescence centers in europium-doped (Ca 1- x Sr x ) 9 Bi(PO 4 ) 7 for WLEDs [J]. J. Mater. Chem. C , 2020 , 8 ( 28 ): 9576 - 9584 . doi: 10.1039/d0tc02467h http://dx.doi.org/10.1039/d0tc02467h
ZHANG D , ZHENG B F , ZHENG Z B , et al . Multifunctional Ca 9 NaZn 1- y Mg y (PO 4 ) 7 ∶Eu 2+ phosphor for full-spectrum lighting, optical thermometry and pressure sensor applications [J]. Chem. Eng. J. , 2022 , 431 : 133805 . doi: 10.1016/j.cej.2021.133805 http://dx.doi.org/10.1016/j.cej.2021.133805
LI Z B , WANG H Y , SU Z Z , et al . Enhanced quantum efficiency via co- substitution in red-emitting phosphor Sr 2 [MgAl 5 N 7 ]∶Eu 2+ for advanced spectroscopic applications including laser displays with ultra-high luminescence saturation threshold [J]. Angew. Chem. Int. Ed. , 2025 , 64 ( 7 ): e202419910 . doi: 10.1002/anie.202419910 http://dx.doi.org/10.1002/anie.202419910
ZHAO M , YANG Z Y , NING L X , et al . Tailoring of white luminescence in a NaLi 3 SiO 4 ∶Eu 2+ phosphor containing broad-band defect-induced charge-transfer emission [J]. Adv. Mater. , 2021 , 33 ( 29 ): 2101428 . doi: 10.1002/adma.202101428 http://dx.doi.org/10.1002/adma.202101428
LIU S F , LI L Y , QIN X H , et al . Achieving ultra-broadband sunlight-like emission in single-phase phosphors: the interplay of structure and luminescence [J]. Adv. Mater. , 2024 , 36 ( 38 ): 2406164 . doi: 10.1002/adma.202470305 http://dx.doi.org/10.1002/adma.202470305
YANG Y Z , ZHANG P , MIAO X , et al . Color-tunable emission via site-selective occupation of Eu 2+ activators in silicate phosphors [J]. Laser Photonics Rev. , 2025 , 19 ( 2 ): 2400982 . doi: 10.1002/lpor.202400982 http://dx.doi.org/10.1002/lpor.202400982
ZHANG X T , AN Z C , DONG R J , et al . Properties and application of single Eu 2+ -activated color tuning phosphors [J]. ACS Sustainable Chem. Eng. , 2019 , 7 ( 12 ): 10724 - 10733 . doi: 10.1021/acssuschemeng.9b01401 http://dx.doi.org/10.1021/acssuschemeng.9b01401
QIAO J W , ZHOU G J , ZHOU Y Y , et al . Divalent europium-doped near-infrared-emitting phosphor for light-emitting diodes [J]. Nat. Commun. , 2019 , 10 ( 1 ): 5267 . doi: 10.1038/s41467-019-13293-0 http://dx.doi.org/10.1038/s41467-019-13293-0
DENAULT K A , BRGOCH J , GAULTOIS M W , et al . Consequences of optimal bond valence on structural rigidity and improved luminescence properties in Sr x Ba 2- x SiO 4 ∶Eu 2+ orthosilicate phosphors [J]. Chem. Mater. , 2014 , 26 ( 7 ): 2275 - 2282 . doi: 10.1021/cm500116u http://dx.doi.org/10.1021/cm500116u
杨国辉 , 王小军 , 陈彩花 , 等 . 基于Eu 3+ 还原制备Eu 3+ -Eu 2+ 共存发光材料的研究进展 [J]. 发光学报 , 2017 , 38 ( 11 ): 1475 - 1485 .
YANG G H , WANG X J , CHEN C H , et al . Research progress in Eu 3+ -Eu 2+ coexisting luminescent materials based on the reduction of Eu 3+ [J]. Chin. J. Lumin. , 2017 , 38 ( 11 ): 1475 - 1485 . (in Chinese)
DORENBOS P . 5 d -level energies of Ce 3+ and the crystalline environment. I. Fluoride compounds [J]. Phys. Rev. B , 2000 , 62 ( 23 ): 15640 - 15649 . doi: 10.1103/physrevb.62.15640 http://dx.doi.org/10.1103/physrevb.62.15640
SHANG M M , LI C X , LIN J . How to produce white light in a single-phase host? [J]. Chem. Soc. Rev. , 2014 , 43 ( 5 ): 1372 - 1386 . doi: 10.1039/c3cs60314h http://dx.doi.org/10.1039/c3cs60314h
LI G G , TIAN Y , ZHAO Y , et al . Recent progress in luminescence tuning of Ce 3+ and Eu 2+ -activated phosphors for pc-WLEDs [J]. Chem. Soc. Rev. , 2015 , 44 ( 23 ): 8688 - 8713 . doi: 10.1039/c4cs00446a http://dx.doi.org/10.1039/c4cs00446a
ZHAO M , ZHOU Y Y , MOLOKEEV M S , et al . Discovery of new narrow-band phosphors with the UCr 4 C 4 -related type structure by alkali cation effect [J]. Adv. Opt. Mater. , 2019 , 7 ( 6 ): 1801631 . doi: 10.1002/adom.201801631 http://dx.doi.org/10.1002/adom.201801631
RAI M , SINGH S K , MISHRA K , et al . Eu 3+ -activated CaGa 2 O 4 wide band gap (WBG) material for solar blind UV conversion: fluorescence and photo-conductivity performance [J]. J. Mater. Chem. C , 2014 , 2 ( 37 ): 7918 - 7926 . doi: 10.1039/c4tc00965g http://dx.doi.org/10.1039/c4tc00965g
QIAO J W , LI D H , SHI Q F , et al . Compositional engineering of phase-stable and highly efficient deep-red emitting phosphor for advanced plant lighting systems [J]. Light Sci. Appl. , 2024 , 13 ( 1 ): 319 . doi: 10.1038/s41377-024-01679-9 http://dx.doi.org/10.1038/s41377-024-01679-9
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