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[1]黎　华,许　硕,樊烨明,等.NaLuF4：Nd3+@ NaLuF4荧光粉的制备及光学性能[J].武汉工程大学学报,2022,44(01):55-59.[doi:10.19843/j.cnki.CN42-1779/TQ.202011020]
　LI Hua,XU Shuo,FAN Yeming,et al.Preparation and Optical Properties of NaLuF4：Nd3+@ NaLuF4 Nanophosphor[J].Journal of Wuhan Institute of Technology,2022,44(01):55-59.[doi:10.19843/j.cnki.CN42-1779/TQ.202011020]
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NaLuF4：Nd3+@ NaLuF4荧光粉的制备及光学性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
44
期数:
2022年01期
页码:
55-59
栏目:
材料科学与工程
出版日期:
2022-02-28

文章信息/Info

Title:
Preparation and Optical Properties of NaLuF4：Nd3+@ NaLuF4 Nanophosphor
文章编号:
1674 - 2869（2022）01 - 0055 - 05
作者:
黎　华; 许　硕; 樊烨明; 陈　洋; 徐　慢; 戴武斌*
武汉工程大学材料科学与工程学院，湖北 武汉 430205
Author(s):
LI Hua; XU Shuo; FAN Yeming; CHEN Yang; XU Man; DAI Wubin*
School of Materials Science and Engineering，Wuhan Institute of Technology，Wuhan 430205， China
关键词:
金属有机热解法; 荧光粉; 光学性能; 核壳结构; 生物成像
Keywords:
metal organic pyrolysis;  phosphor;  optical properties;  core-shell structure;  biological imaging
分类号:
O482.31
DOI:
10.19843/j.cnki.CN42-1779/TQ.202011020
文献标志码:
A
摘要:
采用金属有机热解法制备了系列NaLuF4：x%Nd荧光粉，并通过在表面包覆NaLuF4形成NaLuF4：x%Nd@NaLuF4核壳结构。通过X射线衍射、透射电子显微镜、激光粒度仪、荧光分光光度计分析了荧光粉的晶体结构、形貌尺寸及光学性能。结果表明Nd3+成功掺杂进NaLuF4基质中，且未改变基质的晶体结构，得到的NaLuF4：1%Nd荧光粉为粒径约10 nm的球状纳米材料。Nd3+的掺杂量为1%时荧光粉的发光强度最大，在此基础上包覆NaLuF4形成核壳结构荧光粉。与未包覆NaLuF4层的荧光粉相比，NaLuF4：1%Nd@NaLuF4核壳结构的发光强度明显增强。使用噻唑蓝比色法进行细胞毒性测定，细胞的整体活力在90%以上，表明该纳米荧光粉毒性较低，生物相容性好。NaLuF4：1%Nd@ NaLuF4荧光粉具有优异的光学性能，在生物成像领域具有潜在应用。
Abstract:
A series of NaLuF4：x%Nd phosphors were prepared by metal organic pyrolysis method，and NaLuF4：x%Nd@NaLuF4 core-shell structure was formed by coating NaLuF4 on the surface. X-ray diffraction，transmission electron microscope，laser diffraction particle size analyzer，and fluorescence spectrophotometer were used to analyze the crystal structure，morphology and optical properties of the phosphor. The results show that Nd3+ is successfully doped into the NaLuF4 matrix without changing the crystal structure of the matrix. The obtained NaLuF4：1%Nd phosphor is a spherical nanomaterial with a particle diameter of about 10 nm. When the doping amount of Nd3+ is 1%，the luminescence intensity of the phosphor is the highest. On this basis，NaLuF4 is coated to form a core-shell structure phosphor. Compared with the uncoated NaLuF4 phosphor，the luminous intensity of the core-shell structure of NaLuF4：1%Nd@NaLuF4 is significantly enhanced. The methyl thiazolyl tetrazolium assay showed that the overall viability of cells is over 90%，indicating that the nano-fluorescent powder has low toxicity and good biocompatibility. The NaLuF4：1%Nd@NaLuF4 phosphor exhibits excellent optical properties and has potential applications in the field of biological imaging.

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备注/Memo

备注/Memo:
收稿日期：2020-11-16基金项目：湖北省自然科学基金青年项目（18S020）；湖北省教育厅科学技术研究计划项目（18S069）；武汉工程大学博士启动基金（16QD28）作者简介：黎　华，硕士研究生。E-mail： hua.li@stu.wit.edu.cn*通讯作者：戴武斌，博士，特聘教授。E-mail： wubin.dai@wit.edu.cn引文格式：黎华，许硕，樊烨明，等. NaLuF4：Nd3+@ NaLuF4荧光粉的制备及光学性能［J］. 武汉工程大学学报，2022，44（1）：55-59.
更新日期/Last Update: 2022-03-01