Synthetic Method and Luminescence Properties of Red-emitting Phosphorus Eu2+:(Sr,Ca)AlSiN3 Using Porous Fluoride as Flux

LIU De-yao; ZHANG Lin; REN Shou-quan; MAO Jian; WANG Zhi-fu; ZHANG Liao

doi:10.3788/fgxb20183907.0930

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Synthetic Method and Luminescence Properties of Red-emitting Phosphorus Eu²⁺:(Sr,Ca)AlSiN₃ Using Porous Fluoride as Flux

更新时间：2020-08-12

- Synthetic Method and Luminescence Properties of Red-emitting Phosphorus Eu²⁺:(Sr,Ca)AlSiN₃ Using Porous Fluoride as Flux
- Chinese Journal of Luminescence Vol. 39, Issue 7, Pages: 930-934(2018)
- 作者机构：
  
  1. 西安鸿宇光电技术有限公司,陕西西安,710100
  2. 北京中村宇极科技有限公司北京,100081
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20183907.0930
  CLC：
- Received：01 November 2017，
  
  Revised：07 March 2018，
  
  Published Online：23 March 2018，
  
  Published：05 July 2018
- 稿件说明：
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刘德尧, 张琳, 任守权等. 多孔性氟化物助熔剂制备Eu2+:(Sr,Ca) AlSiN3红色荧光粉[J]. 发光学报, 2018,39(7): 930-934

LIU De-yao, ZHANG Lin, REN Shou-quan etc. Synthetic Method and Luminescence Properties of Red-emitting Phosphorus Eu2+:(Sr,Ca)AlSiN3 Using Porous Fluoride as Flux[J]. Chinese Journal of Luminescence, 2018,39(7): 930-934
刘德尧, 张琳, 任守权等. 多孔性氟化物助熔剂制备Eu2+:(Sr,Ca) AlSiN3红色荧光粉[J]. 发光学报, 2018,39(7): 930-934 DOI： 10.3788/fgxb20183907.0930.

LIU De-yao, ZHANG Lin, REN Shou-quan etc. Synthetic Method and Luminescence Properties of Red-emitting Phosphorus Eu2+:(Sr,Ca)AlSiN3 Using Porous Fluoride as Flux[J]. Chinese Journal of Luminescence, 2018,39(7): 930-934 DOI： 10.3788/fgxb20183907.0930.

摘要

H-PAF （Micro-porous aluminum fluoride）是一种比表面积为20~200 m

/g的多孔性氟化物，具有熔点低、活性高等特性。在Eu

：（Sr，Ca） AlSiN

烧成工艺中作为助熔剂使用，与传统的氟化物、硼酸等助熔剂相比，可以有效增加Eu

：（Sr，Ca） AlSiN

荧光粉在合成过程中总的反应活性，降低反应温度50℃以上，并改善荧光粉的发光性能。本文以H-PAF多孔性氟化物为助熔剂，合成了Eu

：（Sr，Ca） AlSiN

荧光粉，合成温度从1 800℃降低到1 750℃，而且XRD衍射峰更尖锐，说明H-PAF的添加使晶体结晶性更好。测试了Eu

：（Sr，Ca） AlSiN

荧光粉搭配Ga-YAG绿色荧光粉制成器件后的光效。发现添加PAF后，Eu

：（Sr，Ca） AlSiN

荧光粉用粉量降低约5%，器件光通量提高2%以上。

Abstract

H-PAF(Micro-porous aluminum fluoride)is a porous fluoride with the specific surface area(SSA) of 20-200 m

has a low melting point and high activity characteristics. It can lower the reaction temperature for more than 50℃ and improve the luminescence property of Eu

:(Sr

Ca)AlSiN

as a flux. In this paper

H-PAF was used as flux to synthesis Eu

:(Sr

Ca)AlSiN

phosphors. The reaction temperature decreased from 1 800℃ to 1 750℃

and the peaks of XRD patterns are more sharp

indicating better crystal crystallization. The white LED device was fabricated using Eu

:(Sr

Ca)AlSiN

red phosphor and Ga-YAG green phosphor

and the optical efficiency of Eu

:(Sr

Ca)AlSiN

was tested. It is found that the powder content of Eu

:(Sr

Ca)AlSiN

phosphor decreases by about 5% after adding PAF

and the luminous flux of the device increases by more than 2%.

关键词

Keywords

references

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