一种LED用红色荧光粉BaZn2(BO3)2：Eu3+的合成与发光性能研究

吴程潇; 邓德刚; 阮枫萍; 余华; 徐时清

doi:10.3788/fgxb20183904.0457

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一种LED用红色荧光粉BaZn₂(BO₃)₂：Eu³⁺的合成与发光性能研究

材料合成及性能 | 更新时间：2020-08-12

- 一种LED用红色荧光粉BaZn₂(BO₃)₂：Eu³⁺的合成与发光性能研究
- Synthesis and Luminescence Properties of Red Phosphor BaZn₂(BO₃)₂: Eu³⁺ for Light-emitting Diode
- 发光学报 2018年39卷第4期页码：457-465
- 作者机构：
  
  1. 杭州电子科技大学材料与环境工程学院,浙江杭州,310018
  2. 中国计量大学材料科学与工程学院,浙江杭州,310018
- 作者简介：
- 基金信息：
  
  浙江省自然科学基金（LR14A040002，LQ13E020003，Y16F050012）();国家自然科学基金（61405185，51272243，61370049，
- DOI：10.3788/fgxb20183904.0457
  中图分类号： O482.31
- 纸质出版日期：2018-4-5，
  
  网络出版日期：2017-10-12，
  
  收稿日期：2017-8-15，
  
  修回日期：2017-9-20，
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吴程潇, 邓德刚, 阮枫萍等. 一种LED用红色荧光粉BaZn2(BO3)2：Eu3+的合成与发光性能研究[J]. 发光学报, 2018,39(4): 457-465

WU Cheng-xiao, DENG De-gang, RUAN Feng-ping etc. Synthesis and Luminescence Properties of Red Phosphor BaZn2(BO3)2: Eu3+ for Light-emitting Diode[J]. Chinese Journal of Luminescence, 2018,39(4): 457-465
吴程潇, 邓德刚, 阮枫萍等. 一种LED用红色荧光粉BaZn2(BO3)2：Eu3+的合成与发光性能研究[J]. 发光学报, 2018,39(4): 457-465 DOI： 10.3788/fgxb20183904.0457.

WU Cheng-xiao, DENG De-gang, RUAN Feng-ping etc. Synthesis and Luminescence Properties of Red Phosphor BaZn2(BO3)2: Eu3+ for Light-emitting Diode[J]. Chinese Journal of Luminescence, 2018,39(4): 457-465 DOI： 10.3788/fgxb20183904.0457.

摘要

通过高温固相法制得双峰可调节本征半导体发光BaZn

（BO

）

：Eu

荧光粉，此类荧光粉在300~400 nm的紫外波段有很强的吸收。在375 nm的紫外光激发下，该荧光粉产生了两个宽带的发射峰，分别位于550 nm和615 nm处。并且，在395 nm的紫光激发下，荧光粉会由于Eu

离子的

电偶极跃迁产生一个位于615 nm的强宽发射峰，这表明Eu

离子占据了反演对称中心的位置，取代了BaZn

（BO

）

中部分的Ba

离子。当Eu

的摩尔分数达到10%时，发生浓度猝灭。在不同浓度的Eu

离子的掺杂下，BaZn

（BO

）

：Eu

荧光粉的发光从黄色延伸到红色，实现了荧光粉的色度可调。

Abstract

A two-peak adjustable semiconductor luminescent material BaZn

(BO

)

phosphor was prepared by high temperature solid state method. The phosphor has a strong absorption in the ultraviolet band in the range of 300 to 400 nm. With the excitation of 375 nm

this phosphor exhibits two broad emission bands

peaked at 550 and 615 nm. And under the excitation of 393 nm

this phosphor exhibits a strong broad emission band

peaked at 615 nm due to the

electric dipole transition of Eu

which indicates that Eu

occupies an anti-inversion symmetry

and partly replaces the divalent Ba

in the BaZn

(BO

)

lattice. When the mole fraction of Eu

reaches 10%

the concentration quenching occurs. The color hue of BaZn

(BO

)

phosphors under different doped concentrations of Eu

ions can be tuned from yellow to red.

关键词

荧光粉BaZn2(BO3)2:Eu3+白光LED

Keywords

phosphorsBaZn2(BO3)2:Eu3+white LEDs

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