Luminescent Properties of Eu2+ Doped Borosilicate Glass

LI Cai-xia; LI Qiang

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Luminescent Properties of Eu²⁺ Doped Borosilicate Glass

paper | 更新时间：2020-08-12

- Luminescent Properties of Eu²⁺ Doped Borosilicate Glass
- Chinese Journal of Luminescence Vol. 32, Issue 2, Pages: 149-153(2011)
- 作者机构：
  
  华东师范大学化学系上海,200062
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：09 December 2009，
  
  Revised：30 April 2010，
  
  Published：2011
- 稿件说明：
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李彩霞, 李强. Eu2+掺杂硼硅酸镁玻璃的发光性能[J]. 发光学报, 2011,32(2): 149-153

LI Cai-xia, LI Qiang. Luminescent Properties of Eu2+ Doped Borosilicate Glass[J]. Chinese Journal of Luminescence, 2011,32(2): 149-153
李彩霞, 李强. Eu2+掺杂硼硅酸镁玻璃的发光性能[J]. 发光学报, 2011,32(2): 149-153 DOI：

LI Cai-xia, LI Qiang. Luminescent Properties of Eu2+ Doped Borosilicate Glass[J]. Chinese Journal of Luminescence, 2011,32(2): 149-153 DOI：

摘要

利用高温固相法合成了Eu

掺杂的新型蓝色硼硅酸盐发光玻璃

讨论了不同掺杂浓度下硼硅酸镁玻璃体系中EuO键共价性的变化以及氧原子周围不同配位环境对MgO-SiO

-B

玻璃发光性能的影响。利用X射线衍射仪和荧光光谱仪对该玻璃体系进行了结构表征和性能测试。在紫外-可见光激发下

掺杂硼硅酸镁玻璃的荧光发射光谱明显出现一个较为宽泛的发射谱带。

Abstract

During the recent decades years

the luminescence properties of divalent europium have attracted more and more interest for its wide emission spectrum ranging from blue to blue-green. As for the rare earth optical glasses

the rare earth ion dopants with high brightness and stable performance are always the important point

and Eu

doped borosilicate glasses also have these properties.Herein

by using the high-temperature solid-phase synthesis method

a typical blue borosilicate glass named MgOSiO

∶ Eu

was synthesized. The influence of different Eu

doped concentrations on the luminescent properties of borosilicate glass was studied. X-ray diffraction and luminescence spectroscopy were used to characterize this glass samples. Excited by the UV light

the emission spectrum of the glass phosphor consists of two bands

peaking at about 460 nm and 500 nm

which are attributed to the covalence property of the EuO bond and the different coordination environments around the Eu

ions in the host lattice. The energy transfer process is accompanied by the loss of energy. In addition

with the concentration of divalent europium ions increasing

fluorescence quen-ching occurred

so emission intensity of the 500 nm emission band is weaken.The glass phosphor has strong excitation at around 300~440 nm and emitted a typical bright blue luminescence. And with the mole fraction of doped Eu

increasing

the peak of emission spectrum shows a red shift

and the intensity remarkably decreased. Thus it could have applications as a blue component in solid-state lighting devices assembled by near-UV light emitting diodes (LED) and with tricolor phosphors.

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references

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