Cu掺杂天然方钠石的VUV-Vis发光特性

阿丽屯古丽·麦麦提纳斯尔; 穆亚斯尔·凯合日曼; 艾尔肯·斯地克

doi:10.3788/fgxb20133412.1596

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Cu掺杂天然方钠石的VUV-Vis发光特性

材料合成及性能 | 更新时间：2020-08-12

- Cu掺杂天然方钠石的VUV-Vis发光特性
- Luminescence Properties of Cu Doped Natural Sodalite Under Ultraviolet-Vis Excitation
- 发光学报 2013年34卷第12期页码：1596-1602
- 作者机构：
  
  新疆师范大学物理与电子工程学院新疆矿物发光材料及其微结构实验室,新疆乌鲁木齐,830054
- 作者简介：
- 基金信息：
  
  国家自然科学基金（11264040）;理论物理自治区重点学科创新基金（12XSQZ0605）;新疆师范大学研究生创新基金（20131233）资助项目
- DOI：10.3788/fgxb20133412.1596
  中图分类号： O434.14;O482.31
- 收稿日期：2013-08-06，
  
  修回日期：2013-08-26，
  
  纸质出版日期：2013-12-10
- 稿件说明：
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阿丽屯古丽·麦麦提纳斯尔, 穆亚斯尔·凯合日曼, 艾尔肯·斯地克. Cu掺杂天然方钠石的VUV-Vis发光特性[J]. 发光学报, 2013,34(12): 1596-1602

Alitunguli Maimaitinaisier, Muyasier Kaiheriman, Aierken Sidike. Luminescence Properties of Cu Doped Natural Sodalite Under Ultraviolet-Vis Excitation[J]. Chinese Journal of Luminescence, 2013,34(12): 1596-1602
阿丽屯古丽·麦麦提纳斯尔, 穆亚斯尔·凯合日曼, 艾尔肯·斯地克. Cu掺杂天然方钠石的VUV-Vis发光特性[J]. 发光学报, 2013,34(12): 1596-1602 DOI： 10.3788/fgxb20133412.1596.

Alitunguli Maimaitinaisier, Muyasier Kaiheriman, Aierken Sidike. Luminescence Properties of Cu Doped Natural Sodalite Under Ultraviolet-Vis Excitation[J]. Chinese Journal of Luminescence, 2013,34(12): 1596-1602 DOI： 10.3788/fgxb20133412.1596.

摘要

采用高温固相法制备了Cu掺杂天然方钠石光致发光粉末。使用电子探针能谱分析（EDS）和微区分析（EPMA）测出了天然方钠石所含的主要化学成分。用X射线衍射（XRD）研究了Cu掺杂对方钠石结构的影响。室温下测量了真空紫外-紫外-可见光光谱。结果表明，激发光谱中171 nm处的激发带属于基质吸收；202，255，280，290 nm左右的激发带是Cu

离子的3d

4s跃迁引起的。Cu在方钠石晶体中以两种位置存在，分别为Cu

离子在Na

离子晶格位置上出现的Cu1位置和复合层间的Cu2位置，并形成Cu

离子的Cu1和Cu2发光中心。用不同波长光激发Cu1和Cu2发光中心得到的峰值分别位于420 nm和470 nm的蓝色荧光来源于Cu

离子内的3d

4s3d

电子跃迁。对样品的发光机理及浓度猝灭过程进行了探讨和研究。

Abstract

Cu doped natural sodalite phosphors were synthesized by solid-state reaction method at high-temperature. To examine chemical components of sodalite

we conducted electron probe micro-analysis (EPMA) and energy dispersive spectroscopy (EDS) analiysis using an electron probe scanning electron microscope spectrometer. The structure of Cu doped sodalite samples were characterized with X-ray diffraction (XRD). The VUV-Vis luminescence properties were measured at room temperature. The results show that the excitation band at 171 nm attributed to host absorption and that at 202

255

280

290 nm are due to the 3d

4s transition of Cu

ion. Cu existed in two lattice sites in the sodalite crystal

including Cu1 at the lattice site of Na

ions and Cu2 between the composite layers

and formed Cu1 and Cu2 luminescence center of Cu

ion

respectively. These emission spectra with the blue-ray peak at 420 nm and 470 nm

which were obtained by exciting the Cu1 and Cu2 luminescence center under different wavelength

and can be attributed to the 3d

4s3d

electronic transition of Cu

ion. The mechanism of luminescence and concentration quenching process were discussed.

关键词

Keywords

references

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