A single-phased warm-white-emitting K3Y(PO4)(2):Dy3+,Sm3+ phosphor with tuneable photoluminescence for near-UV-excited white LEDs

Devakumar Balaji; Guo Heng; Zeng Yu-Jia; Huang Xiaoyong

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A single-phased warm-white-emitting K3Y(PO4)(2):Dy3+,Sm3+ phosphor with tuneable photoluminescence for near-UV-excited white LEDs

机译：单相温度散发K3Y（PO4）（2）：DY3 +，SM3 +磷光体，可调节光致发光，用于近UV兴奋的白色LED

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摘要

Single-phased warm-white-emitting Dy3+/Sm3+ codoped K3Y(PO4)(2) phosphors with tuneable emissions, tuneable color tone and correlated color temperature (CCT) were synthesized through conventional high temperature solid state method. The crystal structure, morphology, and photoluminescence properties of the phosphors were investigated in detail. Under 351 nm excitation, the K3Y(PO4)(2):0.03Dy(3+),0.01 Sm3+ sample emitted warm-white light with CIE coordinates of (0.433, 0.406), low CCT (3088 K) and excellent color rendering index of 95.31. The energy transfer mechanism from the Dy3+ to Sm3+ was determined to be electric dipole-dipole interaction. The results indicate that the Dy3+/Sm3+ codoped K3Y(PO4)(2) phosphors will find their suitable applications in the near-ultraviolet-pumped white light-emitting diodes.

机译：采用常规高温固相法合成了具有可调谐发射、可调谐色调和相关色温（CCT）的单相温白发射Dy3+/Sm3+共掺K3Y（PO4）（2）荧光粉。详细研究了荧光粉的晶体结构、形貌和光致发光性能。在351nm的激发下，K3Y（PO4）（2）：0.03Dy（3+），0.01Sm3+样品发出暖白光，CIE坐标为（0.433,0.406），CCT低（3088K），显色指数为95.31。从Dy3+到Sm3+的能量转移机制被确定为电偶极-偶极相互作用。结果表明，Dy3+/Sm3+共掺K3Y（PO4）（2）荧光粉在近紫外泵浦的白光发光二极管中具有良好的应用前景。

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来源
《Dyes and Pigments》 |2018年第2018期|共8页
作者
Devakumar Balaji; Guo Heng; Zeng Yu-Jia; Huang Xiaoyong;
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作者单位

Taiyuan Univ Technol Coll Phys &

Optoelect Minist Educ &

Shanxi Prov Key Lab Adv Transducers &

Intelligent Control Sys Taiyuan 030024 Shanxi Peoples R China;

Taiyuan Univ Technol Coll Phys &

Optoelect Minist Educ &

Shanxi Prov Key Lab Adv Transducers &

Intelligent Control Sys Taiyuan 030024 Shanxi Peoples R China;

Shenzhen Univ Coll Optoelect Engn Shenzhen Key Lab Laser Engn Shenzhen 518060 Peoples R China;

Taiyuan Univ Technol Coll Phys &

Optoelect Minist Educ &

Shanxi Prov Key Lab Adv Transducers &

Intelligent Control Sys Taiyuan 030024 Shanxi Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类染料及中间体工业;颜料工业;
关键词
Photoluminescence; WLEDs; Crystal structure; Phosphors; Rare earth ions; White emissions;

机译：光致发光;WLED;晶体结构;磷光体;稀土离子;白色排放;

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2. Ba3LaNa(PO4)3F: Tm3+, Dy3+: A tunable blue-white color emitting phosphor via energy transfer for UV white LEDs [J] . Dingdian Xu, Wei Zhou, Shujing Li, 中国化学快报（英文版） . 2020,第002期
3. Luminescence Properties of Red Emitting Phosphor KMgLa(PO4)2:Sm3+ for White LEDs [J] . LI Ting, LI Yue, SHI Xian, 硅酸盐学报（英文版） . 2016,第003期
4. Luminescence Properties of Red Emitting Phosphor KMgLa（PO4）2:Sm3+ for White LEDs [J] . LI Ting, LI Yue, SHI Xian, 硅酸盐学报：英文版 . 2016,第003期
5. A potential single-phased white-emitting LiBaBO_3:Ce~(3+), Eu~(2+) phosphor for white LEDs [J] . 李盼来, 王志军, 杨志平, 中国稀土学报：英文版 . 2010,第004期
6. A single-phased warm-white-emitting K3Y(PO4)(2):Dy3+,Sm3+ phosphor with tuneable photoluminescence for near-UV-excited white LEDs [J] . Devakumar Balaji, Guo Heng, Zeng Yu-Jia, Dyes and Pigments . 2018,第期

机译：单相温度散发K3Y（PO4）（2）：DY3 +，SM3 +磷光体，可调节光致发光，用于近UV兴奋的白色LED
7. Syntheses, crystal structures and photoluminescence properties of Ca9Y(PO4)(5)(SiO4)F1.5O0.25:Ln(3+) (Ln(3+) = Eu3+/Tb3+/Dy3+/Sm3+) phosphors for near-UV white LEDs [J] . Liu Man, Lu Wei, Huo Jiansheng, RSC Advances . 2016,第95期

机译：Ca9Y（PO4）（5）（SiO4）F1.5O0.25：Ln（3+）（Ln（3+）= Eu3 + / Tb3 + / Dy3 + / Sm3 +）荧光粉的合成，晶体结构和光致发光特性发光二极管
8. Syntheses, crystal structures and photoluminescence properties of Ca9Y(PO4)(5)(SiO4)F1.5O0.25:Ln(3+) (Ln(3+) = Eu3+/Tb3+/Dy3+/Sm3+) phosphors for near-UV white LEDs [J] . Liu Man, Lu Wei, Huo Jiansheng, RSC Advances . 2016,第95期

机译：Ca9Y（PO4）（5）（SiO4）F1.5O0.25：Ln（3+）（Ln（3+）= Eu3 + / Tb3 + / Dy3 + / Sm3 +）荧光粉的合成，晶体结构和光致发光特性发光二极管
9. Color-Tunable Luminescence and Energy Transfer Properties of Dy3+/Eu3+ Co-doped Ca1.5Sr1.5(PO4)2 Phosphor for white LED Applications [C] . Xiaofang Yu, Xiaoyun Mi International Conference on Electronics Technology . 2020

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10. Investigation of post-synthesis heat treatment of strontium gallium selenium:europium phosphor for improving quantum efficiency and suitable phosphor integration methods for enhancing the overall performance of white LEDs. [D] . Zhu, Yiting. 2010

机译：锶镓硒：磷荧光粉的合成后热处理研究，旨在提高量子效率；以及合适的荧光粉集成方法，用于增强白色LED的整体性能。
11. Multiple Energy Transfer in Luminescence-Tunable Single-Phased Phosphor NaGdTiO4: Tm3+ Dy3+ Sm3+ [O] . Jun Xiao, Cong Wang, Xin Min, 2020

机译：发光可调单相磷Nagdtio4：TM3 +DY3 +SM3 +中多次能量转移
12. Photoluminescence tuning of Ca8−xSrxMgGd(PO4)7:Eu2+,yMn2+ phosphors for applications in white LEDs with excellent color rendering index [O] . Jiaqi Long, Yuzhen Wang, Chaoyang Ma, 2017

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13. Solid State Lighting Program, Final Report, Phosphors for Near UV-Emitting LEDs for Efficacious Generation of White Light. [R] . McKittrick, J. 2013

机译：固态照明计划，最终报告，近紫外发光LED用于有效产生白光的荧光粉。

A single-phased warm-white-emitting K3Y(PO4)(2):Dy3+,Sm3+ phosphor with tuneable photoluminescence for near-UV-excited white LEDs

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