Preparation and Luminescent Properties of Sr2MgAl22O36∶Mn4+ Phosphor-in-glass for Plant Growth LED

Mao-lin YANG; Jun-li ZHENG; Li-ping YU; Shi-xun LIAN; Wen-li ZHOU

doi:10.37188/CJL.20210022

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Preparation and Luminescent Properties of Sr₂MgAl₂₂O₃₆∶Mn⁴⁺ Phosphor-in-glass for Plant Growth LED

Luminescence Applications and Interdisciplinary Fields | 更新时间：2021-05-20

- Preparation and Luminescent Properties of Sr₂MgAl₂₂O₃₆∶Mn⁴⁺ Phosphor-in-glass for Plant Growth LED
- Chinese Journal of Luminescence Vol. 42, Issue 5, Pages: 717-723(2021)
- 作者机构：
  
  湖南师范大学　化学化工学院，湖南　长沙　 410081
- 作者简介：
- 基金信息：
  
  the National Key Research and Development Program of China(2016YFB0302403);National Natural Science Foundation of China(21501058)
- DOI：10.37188/CJL.20210022
  CLC： O482.31
- Published：01 May 2021，
  
  Received：12 January 2021，
  
  Revised：20 January 2021，
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Mao-lin YANG, Jun-li ZHENG, Li-ping YU, et al. Preparation and Luminescent Properties of Sr₂MgAl₂₂O₃₆∶Mn⁴⁺ Phosphor-in-glass for Plant Growth LED. [J]. Chinese Journal of Luminescence 42(5):717-723(2021)
DOI：

Mao-lin YANG, Jun-li ZHENG, Li-ping YU, et al. Preparation and Luminescent Properties of Sr₂MgAl₂₂O₃₆∶Mn⁴⁺ Phosphor-in-glass for Plant Growth LED. [J]. Chinese Journal of Luminescence 42(5):717-723(2021) DOI： 10.37188/CJL.20210022.

摘要

采用两步烧结法低温制备了Sr

MgAl

∶Mn

-(SiO

-Al

-ZnO-BaO)荧光玻璃(SMA∶Mn

-PiG)。通过X射线衍射、扫描电镜、光致激发和发射光谱、荧光衰减曲线等手段对其物相、成分与发光性能进行了研究。实验结果表明，形成PiG后

SMA∶Mn

荧光粉的物相和元素组成保持不变。不同SAM∶Mn

含量的PiG样品在328 nm光激发下，在661 nm处均显示强的发射带，归属于荧光粉中Mn

的

E→

跃迁，发光光谱与植物光敏色素的红区吸收光谱匹配良好。随着荧光粉含量的增加

SAM∶Mn

-PiG的发光强度逐渐增大。15%SMA∶Mn

-PiG样品的内、外量子效率分别为26%和20%，低于SMA∶Mn

荧光粉的59%和40%。相比于SMA∶Mn

荧光粉，荧光玻璃的吸收效率和热稳定性略有提高。通过与高功率紫外芯片封装

SMA∶Mn

-PiG红光LED器件在100 mA驱动电流下展现了最高的电致发光强度。

Abstract

MgAl

∶Mn

-(SiO

-Al

-ZnO-BaO-B

) phosphor in glass(SMA∶Mn

-PiG) was prepared by a two-step co-sintering technology at low temperature. The phase

composition and luminescent properties of PiG samples were investigated by X-ray diffraction(XRD)

scanning electron microscope(SEM)

excitation and photoluminescence spectra

fluorescence decay curve

etc

. Experimental results show that the phase and elemental composition of SMA∶Mn

phosphor were well preserved after forming PiG. Under 328 nm excitation

PiG samples with different SAM∶Mn

content all showed strong emission band peaked at 661 nm due to

E→

transition of Mn

ions. The emission spectrum of SMA∶Mn

-PiG well matches absorption spectra of plant phytochromes. With the increase of phosphor content

the photoluminescence intensity of SAM∶Mn

-PiG gradually increases. Internal quantum efficiency(IQE) and external quantum efficiency(EQE) of 15% SMA∶Mn

-PiG samples are 26% and 20%

respectively

which are lower than 59% and 40% of SMA∶Mn

phosphor. Compared with SMA∶Mn

phosphor

absorption efficiency and thermal stability of SAM∶Mn

-PiG are slightly enhanced. With packaging with high-power UV chip

SMA∶Mn

-PiG red LED device exhibits high electroluminescence intensity

and the highest value is measured at 100 mA.

关键词

荧光玻璃植物生长Mn4+发光二极管

Keywords

phosphor-in-glassplant growthMn4+LED

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Related Author

Mao-lin YANG

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Li-ping YU

Shi-xun LIAN

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ZHU Bingxin

ZHU Xiao

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Related Institution

College of Chemistry and Chemical Engineering， Hunan Normal University， Changsha 410081， China）；* ZHOU Wen-li， E-mail： chemwlzhou@hunnu.edu

College of Physics， Taiyuan University of Technology

Key Laboratory for Anisotropy and Texture of Materials（Ministry of Education） & School of Materials Science and Engineering， Northeastern University

Shanxi Center of Technology Innovation for Light Manipulations and Applications， School of Applied Science， Taiyuan University of Science and Technology

School of Energy and Engineer， Jiangxi University of Science and Technology

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