Ce3+/Eu2+共掺Ca3Si2O4N2荧光粉的光学特性

陈鸿; 李晨霞; 华有杰; 徐时清

doi:10.3788/fgxb20133410.1324

您当前的位置：

首页 >

文章列表页 >

Ce³⁺/Eu²⁺共掺Ca₃Si₂O₄N₂荧光粉的光学特性

材料合成及性能 | 更新时间：2020-08-12

- Ce³⁺/Eu²⁺共掺Ca₃Si₂O₄N₂荧光粉的光学特性
- Photoluminescence Properties of Ce³⁺/Eu²⁺ Co-doped Ca₃Si₂O₄N₂ Phosphors
- 发光学报 2013年34卷第10期页码：1324-1327
- 作者机构：
  
  1. 中国计量学院光学与电子科技学院, 浙江杭州 310018
  2. 中国计量学院材料科学与工程学院, 浙江杭州 310018
- 作者简介：
- 基金信息：
  
  国家自然科学基金(51072190,51272243)();浙江省科技计划项目(2012C31008)();浙江省自然科学基金(Z4100030)资助项目()
- DOI：10.3788/fgxb20133410.1324
  中图分类号： O482.31
- 收稿日期：2013-04-02，
  
  修回日期：2013-07-15，
  
  纸质出版日期：2013-10-10
- 稿件说明：
移动端阅览
陈鸿, 李晨霞, 华有杰, 徐时清. Ce3+/Eu2+共掺Ca3Si2O4N2荧光粉的光学特性[J]. 发光学报, 2013,34(10): 1324-1327

CHEN Hong, LI Chen-xia, HUA You-jie, XU Shi-qing. Photoluminescence Properties of Ce3+/Eu2+ Co-doped Ca3Si2O4N2 Phosphors[J]. Chinese Journal of Luminescence, 2013,34(10): 1324-1327
陈鸿, 李晨霞, 华有杰, 徐时清. Ce3+/Eu2+共掺Ca3Si2O4N2荧光粉的光学特性[J]. 发光学报, 2013,34(10): 1324-1327 DOI： 10.3788/fgxb20133410.1324.

CHEN Hong, LI Chen-xia, HUA You-jie, XU Shi-qing. Photoluminescence Properties of Ce3+/Eu2+ Co-doped Ca3Si2O4N2 Phosphors[J]. Chinese Journal of Luminescence, 2013,34(10): 1324-1327 DOI： 10.3788/fgxb20133410.1324.

摘要

采用高温固相法制备了一种新型的白光LED用Ca

:Eu

荧光粉。利用X射线衍射仪对样品的物相结构进行了分析

结果表明:Ce

和 K

离子的掺杂没有改变 Ca

:Eu

荧光粉的主晶相。利用荧光光谱仪对样品的发光性能进行了测试

发现样品在355 nm激发下得到的发射光谱为峰值位于505 nm的单峰

是 Eu

离子5d-4f 电子跃迁引起的。Ca

:Eu

荧光粉通过Ce

和 K

离子的掺杂

发光明显增强。当Ce

的摩尔分数为1%时

荧光粉的发光强度达到最大值

是单掺Eu

离子荧光粉发光强度的168%。通过光谱重叠的方法计算Ce

能量传递临界的距离为2.535 nm。

Abstract

A novel Ce

/Eu

co-activated Ca

phosphor was synthesized by traditional solid-state reaction. The phosphors were characterized by X-ray diffraciton (XRD) and fluorescence spectrophotometer (PL). XRD patterns reveal that the samples maintain Ca

single phase after doping Ce

and K

ions. The emission spectra under 355 nm excitation show the typical broad band of Eu

peaking at about 505 nm (5d-4f). The emission could be greatly enhanced through doping Ce

and K

in Ca

:Eu

phosphors. K

ions could be used as charge compensation in Ca

:Eu

phosphors. When the mole fractions of Ce

and K

are 1%

the emission intensity reach the maximum

which is about 168% of that of the sample without doping Ce

or K

. And the critical distance is calculated to be about 2.535 nm by the spectra overlap method.

关键词

Keywords

references

Schubert E F, Kim J K. Solid-state light sources getting smart [J]. Science, 2005, 308(5726):1274-1278.[2] Baur J, Shlotter P, Schneider J. White light emitting diodes [J]. Adv. Solid State Phys., 1998, 37:67-78.[3] Chiu Y C, Huang C H, Lee T J. Eu2+-activated silicon-oxynitride Ca3Si2O4N2: A green-emitting phosphor for white LEDs [J]. Opt. Exp., 2011, 19(S3):A331-A339.[4] Xie R J, Hirosaki N, Mitomo M. Strong green emission from -SiAlON activated by divalent ytterbium under blue light irradiation [J]. J. Phys. Chem. B, 2005, 109(19):9490-9494.[5] Yu X B, Xu X L, Zhou C L, et al. Synthesis and luminescent properties of SrZnO2:Eu3+,M+ (M=Li, Na, K) phosphor [J]. Mater. Res. Bull., 2006, 41(8):1578-1583.[6] Dhananjaya N, Nagabhushana H, Nagabhushana B M, et al. Effect of Li+-ion on enhancement of photoluminescence in Gd2O3:Eu3+ nanophosphors prepared by combustion technique [J]. J. Alloys Compd., 2011, 509(5):2368-2374.[7] Li Y Q, De With G, Hintzen H T. Luminescence of a new class of UV-blue-emitting phosphors MSi2O2-N2+2/3:Ce3+(M=Ca, Sr, Ba) [J]. J. Mater. Chem., 2005, 15(42):4492-4496.[8] Li Y Q, Delsing A C A, De With G, et al. luminescence properties of Eu2+-activated alkaline-earth silicon-oxynitride MSi2O2-N2+2/3(M=Ca, Sr, Ba): A promising class of novel LED conversion phosphors [J]. Chem. Mater., 2005, 17(12):3242-3248.[9] He H, Fu R L, Wang H, et al. Li2SrSiO4:Eu2+ phosphor prepared by the Pechini method and its application in white light emitting diode [J]. J. Mater. Res., 2008, 23(12):3288-3294.[10] Dexter D L. A theory of sensitized luminescence in solids [J]. J. Chem. Phys., 1953, 21(5):836-850.[11] Liu X, Lin C, Lin J. White light emission from Eu3+ in CaIn2O4 host lattices [J]. Appl. Phys. Lett., 2007, 90(8):081904-1-3.[12] Yang W J, Chen T M. Ce3+/Eu2+codoped Ba2ZnS3: A blue radiation-converting phosphor for white light-emitting diodes [J]. Appl. Phys. Lett., 2007, 90(17):171908-1-3.

浏览量

334

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

Zn²⁺掺杂MgGa₂O₄∶Ni²⁺近红外二区发光材料制备、表征及其成像应用研究

杂质Mn⁴⁺发光中心相关的Mg₇Ga₂GeO₁₂∶Tb³⁺多色荧光粉发光性能

Sr₆Lu₂Al₄O₁₅∶Tb³⁺荧光粉的发光特性

Sr_0.3Ca_0.7MoO₄∶Tb³⁺, Eu³⁺荧光粉的颜色可调发光和温度传感特性

Gd_2[1-_x₍_y_)]Eu₂_x₍_y₎W_zMo_(1-_z₎O₆红色荧光粉合成及发光性能