Properties of Photoluminescence and Afterglow of Phosphors Ba2B5O9Cl：Eu2+，Ln3+(Ln=Dy,Er,Ho)

Liang Feng; Ju Gui-fang; Wu Hao-yi; Hu Yi-hua

doi:doi:10.3969/j.issn.1007-7162.2013.02.005

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Properties of Photoluminescence and Afterglow of Phosphors Ba₂B₅O₉Cl：Eu²⁺，Ln³⁺(Ln=Dy,Er,Ho)

更新时间：2026-05-27

- Properties of Photoluminescence and Afterglow of Phosphors Ba₂B₅O₉Cl：Eu²⁺，Ln³⁺(Ln=Dy,Er,Ho)
- Vol. 30, Issue 2, Pages: 22-27(2013)
- 作者机构：
- 作者简介：
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- DOI：doi:10.3969/j.issn.1007-7162.2013.02.005
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- Published：2013
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梁锋, 居桂方, 吴浩怡, 胡义华. Ba₂B₅O₉Cl：Eu²⁺，Ln³⁺(Ln=Dy,Er,Ho)的光致发光和长余辉特性[J]. 广东工业大学学报, 2013, 30(2): 22-27. DOI: doi:10.3969/j.issn.1007-7162.2013.02.005.

Liang Feng, Ju Gui-fang, Wu Hao-yi, et al. Properties of Photoluminescence and Afterglow of Phosphors Ba₂B₅O₉Cl：Eu²⁺，Ln³⁺(Ln=Dy,Er,Ho)[J]. 2013, 30(2): 22-27. DOI: doi:10.3969/j.issn.1007-7162.2013.02.005.
梁锋, 居桂方, 吴浩怡, 胡义华. Ba₂B₅O₉Cl：Eu²⁺，Ln³⁺(Ln=Dy,Er,Ho)的光致发光和长余辉特性[J]. 广东工业大学学报, 2013, 30(2): 22-27. DOI: doi:10.3969/j.issn.1007-7162.2013.02.005. DOI：

Liang Feng, Ju Gui-fang, Wu Hao-yi, et al. Properties of Photoluminescence and Afterglow of Phosphors Ba₂B₅O₉Cl：Eu²⁺，Ln³⁺(Ln=Dy,Er,Ho)[J]. 2013, 30(2): 22-27. DOI: doi:10.3969/j.issn.1007-7162.2013.02.005. DOI：

摘要

采用高温固相反应法制备了系列稀土掺杂蓝色荧光粉Ba

1.92

Cl:Eu

0.06

0.02

(Ln=Dy

Ho).用X射线粉末衍射仪（XRD）对样品晶相进行了测试，用荧光光谱仪表征了样品的光致发光特性.结果表明：共掺不同稀土元素Ln

(Ln=Dy

Ho)的Ba

Cl：Eu

样品为四方晶系；除了发光强度不同外，其激发、发射光谱的峰位置和峰形基本没有改变.通过研究荧光材料的余辉衰减曲线和热释光谱发现

Cl：Eu

掺入的Ln

能够延长荧光粉的余辉时间和增强初始亮度，并能不同程度地增强热释光强度，其中Dy

是最理想掺杂稀土离子.

Abstract

A series of blue phosphorBa

1.92

Cl:Eu

0.06

with different Ln

(Ln=Dy

Ho) co-dopants were synthesized via high temperature solid-state method. All samples were tested with X-ray diffraction

and photoluminescence spectra of the phosphors were measured with Fluorescence Spectrophotometer. The results show thatBa

Cl：Eu

powders are t

etragonal systems. The position and shape of the main peaks of photoluminescence spectra and excitation spectra have not changed except the intensity of the peaks after the rare earth Ln

(Ln=Dy

Ho) were co-doped. The co-doped Ln

can prolong the persistence and enhance the intensity of afterglow and thermoluminescence inordinately. Among them

is the best one.

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