Preparation of CaAlSiN3:Eu2+ Phosphor Doped PC Lampshade for Plant Growth Lights

DENG Jian-kun; CHEN Yan-ke; CHEN Zhi-jie; LEI Bing-fu; ZHENG Yin-jian; CUI Jia-wei; YUAN J

doi:10.3788/fgxb20173809.1185

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Preparation of CaAlSiN₃:Eu²⁺ Phosphor Doped PC Lampshade for Plant Growth Lights

更新时间：2020-08-12

- Preparation of CaAlSiN₃:Eu²⁺ Phosphor Doped PC Lampshade for Plant Growth Lights
- Chinese Journal of Luminescence Vol. 38, Issue 9, Pages: 1185-1191(2017)
- 作者机构：
  
  1. 华南农业大学材料与能源学院, 广东省光学农业工程技术研究中心,广东广州,510642
  2. 东莞长发光电科技有限公司,广东东莞,523843
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20173809.1185
  CLC： O482.31
- Received：22 February 2017，
  
  Revised：16 June 2017，
  
  Published Online：22 June 2017，
  
  Published：05 September 2017
- 稿件说明：
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邓建昆, 陈燕科, 陈智杰等. CaAlSiN3:Eu2+荧光粉掺杂PC透光罩的制备及其在植物灯中的应用[J]. 发光学报, 2017,38(9): 1185-1191

DENG Jian-kun, CHEN Yan-ke, CHEN Zhi-jie etc. Preparation of CaAlSiN3:Eu2+ Phosphor Doped PC Lampshade for Plant Growth Lights[J]. Chinese Journal of Luminescence, 2017,38(9): 1185-1191
邓建昆, 陈燕科, 陈智杰等. CaAlSiN3:Eu2+荧光粉掺杂PC透光罩的制备及其在植物灯中的应用[J]. 发光学报, 2017,38(9): 1185-1191 DOI： 10.3788/fgxb20173809.1185.

DENG Jian-kun, CHEN Yan-ke, CHEN Zhi-jie etc. Preparation of CaAlSiN3:Eu2+ Phosphor Doped PC Lampshade for Plant Growth Lights[J]. Chinese Journal of Luminescence, 2017,38(9): 1185-1191 DOI： 10.3788/fgxb20173809.1185.

摘要

为了实现传统白光LED光源与植物照明用光源之间的快速转换，采用高温熔融造粒的方式制备了不同质量分数CaAlSiN

：Eu

（CASN：Eu

）掺杂的荧光聚碳酸酯（PC）透光罩，并进行了结构和光学分析。制备了荧光PC透光罩配备的T8型LED灯管，测试了其EL光谱、相关光学性质以及对于生菜的种植效果。结果表明，CASN：Eu

荧光粉在掺杂过程中性质稳定，该灯管随着配备的透光罩的荧光粉掺杂浓度的提高，相对应的WLED的色坐标从（0.327 2，0.346 7）变化到（0.389 5，0.382 4），色温从5 757 K下降到3 807 K，显色指数从70.3上升到77.6，但光效略有减弱。配备了荧光粉质量分数为4透光罩的T8型白光LED灯管的光质更适合生菜生长。

Abstract

In order to achieve the goal of the interchange between traditional white light emitting diodes (WLEDs) and plant growth lights

the fluorescent polycarbonate (PC) lampshades with different mass fraction of CaAlSiN

:Eu

(CASN:Eu

) phosphor were prepared through granulation by high-temperature melting process. The lampshade samples were characterized by structural and optical analysis

showing a good stability during the preparation process. Meanwhile

the fluorescent PC lampshades were equipped with WLED T8 tubes for plant growth lights. The EL spectra

optical parameters and application of such plant growth lights were given. With the increase of CASN:Eu

phosphor mass fraction in PC lampshade encapsulated WLEDs

the CIE color coordinates change from (0.327 2

0.346 7) to (0.389 5

0.382 4)

the correlated color temperature (CCT) declines from 5 757 to 3 807 K

the color rendering index raises from 70.3 to 77.6

but the luminous efficiency decreases slightly. Furthermore

the electroluminescence (EL) spectra of CaAlSiN

:Eu

phosphor doped PC lampshade encapsulated WLEDs match well with the absorption ones of lettuce

and the growth of lettuce is better to be promoted under irradiation by corresponding WLEDs (phosphor mass fraction:4)

indicating that the design of combination of fluorescent PC lampshades and LED T8 tubes has a good application prospect for plant growth.

关键词

Keywords

references

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