Synthesis and Analysis of Novel Solid State Lighting Compound Ca3SiO4Br2∶ Eu2+

XIA Zhi-guo; SUN Jia-yue; LI Guo-wu; XIONG Ming; DU Hai-yan

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Synthesis and Analysis of Novel Solid State Lighting Compound Ca₃SiO₄Br₂∶ Eu²⁺

paper | 更新时间：2020-08-12

- Synthesis and Analysis of Novel Solid State Lighting Compound Ca₃SiO₄Br₂∶ Eu²⁺
- Chinese Journal of Luminescence Vol. 32, Issue 10, Pages: 988-992(2011)
- 作者机构：
  
  1. 中国地质大学(北京) 材料科学与工程学院北京,100083
  2. 北京工商大学化学与环境工程学院北京,100048
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Published：22 October 2011，
  
  Published Online：22 October 2011，
  
  Received：8 June 2011，
  
  Revised：30 August 2011，
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夏志国, 孙家跃, 李国武, 熊明, 杜海燕. 新型固态照明用发光材料 Ca3SiO4Br2∶ Eu2+的合成、结构与发光性能[J]. 发光学报, 2011,32(10): 988-992

XIA Zhi-guo, SUN Jia-yue, LI Guo-wu, XIONG Ming, DU Hai-yan. Synthesis and Analysis of Novel Solid State Lighting Compound Ca3SiO4Br2∶ Eu2+[J]. Chinese Journal of Luminescence, 2011,32(10): 988-992
夏志国, 孙家跃, 李国武, 熊明, 杜海燕. 新型固态照明用发光材料 Ca3SiO4Br2∶ Eu2+的合成、结构与发光性能[J]. 发光学报, 2011,32(10): 988-992 DOI：

XIA Zhi-guo, SUN Jia-yue, LI Guo-wu, XIONG Ming, DU Hai-yan. Synthesis and Analysis of Novel Solid State Lighting Compound Ca3SiO4Br2∶ Eu2+[J]. Chinese Journal of Luminescence, 2011,32(10): 988-992 DOI：

摘要

制备了一种Eu

掺杂的新型Ca

SiO

蓝色发光材料

详细研究了其晶体结构组成。采用助熔剂法生长出Ca

SiO

片状单晶

解析并证实该晶体为Ca

SiO

其结构基元中存在交替排列的Ca

SiO

和CaBr

层。荧光光谱测试表明:Ca

SiO

∶ Eu

材料可被近紫外光(300~430 nm)有效激发

产生较强的蓝光发射

发射主峰位于470 nm左右

样品的紫外-可见(UV-Vis)光谱进一步证实了其有效吸收近紫外光的特征。研究表明

卤硅酸盐基质的Ca

SiO

∶ Eu

材料是一种优良白光LED用蓝色荧光粉。

Abstract

Novel blue-emitting material

-doped Ca

SiO

was reported in this paper. Flaky crystals of Ca

SiO

were grown out of high-temperature Ca

SiO

/CaBr

melts. The crystal structure was determined as the chemical composition of Ca

SiO

and structural investigations have also shown that Ca

SiO

is composed of the layers of calcium chloride and dicalcium silicate. Based on the photoluminescence analysis

SiO

∶ Eu

phosphor exhibited a broad blue emission band of main peak at 470 nm under the near ultraviolet (n-UV) light (300~450 nm)

and efficient n-UV absorption property can be testified by UV-Vis diffuse reflectance spectra. It indicated that halosilicate materials Ca

SiO

∶ Eu

phosphor is an excellent phosphor in the application of the white LEDs.

关键词

白光LED照明蓝色荧光粉卤硅酸盐晶体结构稀土发光

Keywords

white light LED lightingblue emission phosphorhalosilicatecrystal structurerare earth luminescence

references

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