Preparation and Properties of Nano-sized SrMoO4：Yb,Er Powder Up-conversion Luminescence

LI Na-na; AN Zhi-yong; GAO Yan-min; BAI Xu; YANG Kui-sheng

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Preparation and Properties of Nano-sized SrMoO₄：Yb,Er Powder Up-conversion Luminescence

更新时间：2020-08-12

- Preparation and Properties of Nano-sized SrMoO₄：Yb,Er Powder Up-conversion Luminescence
- Chinese Journal of Luminescence Vol. 29, Issue 6, Pages: 1055-1058(2008)
- 作者机构：
  
  1. 长春理工大学,吉林长春,中国,130022
  2. 中国科学院, 光电研究院北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：25 September 2008，
  
  Revised：24 November 2008，
  
  Published：20 November 2008
- 稿件说明：
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李娜娜, 安志勇, 高艳敏, 白旭, 杨魁胜. 纳米SrMoO4：Yb,Er上转换发光粉的合成及其性质[J]. 发光学报, 2008,29(6): 1055-1058

LI Na-na, AN Zhi-yong, GAO Yan-min, BAI Xu, YANG Kui-sheng. Preparation and Properties of Nano-sized SrMoO4：Yb,Er Powder Up-conversion Luminescence[J]. Chinese Journal of Luminescence, 2008,29(6): 1055-1058
李娜娜, 安志勇, 高艳敏, 白旭, 杨魁胜. 纳米SrMoO4：Yb,Er上转换发光粉的合成及其性质[J]. 发光学报, 2008,29(6): 1055-1058 DOI：

LI Na-na, AN Zhi-yong, GAO Yan-min, BAI Xu, YANG Kui-sheng. Preparation and Properties of Nano-sized SrMoO4：Yb,Er Powder Up-conversion Luminescence[J]. Chinese Journal of Luminescence, 2008,29(6): 1055-1058 DOI：

摘要

以柠檬酸为络合剂

用溶胶-凝胶法制备出纳米级上转换发光粉SrMoO:Yb

Er.XRD、TEM确定了样品SrMoO:Yb

Er是四方晶系

其粒径约为70nm

属于多晶.实验表明:用980nmLD对其进行激发

在室温下观察到了526

58nm附近的绿光发射和652nm附近微弱的红光发射

分别对应于Er

离子

11/2

15/2

3/2

15/2

和

9/2

15/2

的跃迁;当

(Yb)/

(Er)为7:1时

上转换发光强度最强.由激发功率与发光强度的关系得出绿光和红光发射均为双光子过程.

Abstract

SrMoO

:Yb

Er nano-sized up-conversion luminescent powder was prepared by sol-gel method in the presence of citric acid.The impact of different proportion of /Yb

to Er

on the up-conversion luminescent intensity was discussed.The experiment showed that when the proportion of /Yb

to Er

is 7:1

the up-conversion luminescent intensity is the strongest.The sample was characterized via XRD

TME and emission spectrum.The results showed that SrMoO

:Yb

Er belongs to pyramidal system;the grain size of SrMoO

:Yb

Er is under 100 nm

and belongs to polycrystals.Under 980 nm laser diode(LD) excitation

two strong green emissions and a wake red emission

which centered around 526

558

652 nm

respectively

are observed at room temperature.They correspond to

11/2

15/2

3/2

15/2

and

9/2

15/2

transitions of Er

ion

respectively.According to the relationship between pump power and luminescent intensity

it was concluded that the both the green and the red emission all are dominated by two-photon process.

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