(Gd,Lu)3Al5O12∶Tb3+,Eu3+透明陶瓷制备与发光性能

人工晶体学报 ›› 2021, Vol. 50 ›› Issue (10): 1984-1990.

(Gd,Lu)₃Al₅O₁₂∶Tb³⁺,Eu³⁺透明陶瓷制备与发光性能

孙志刚, 王梦瑶, 吕滨, 陈红兵

宁波大学材料科学与化学工程学院,浙江省光电探测材料及器件重点实验室,新型功能材料及其制备科学国家重点实验室培育基地,宁波 315211

收稿日期:2021-09-01 出版日期:2021-10-15 发布日期:2021-11-24
通讯作者: 吕滨,博士,副教授。E-mail:lvbin@nbu.edu.cn。陈红兵,博士,教授。E-mail:chenghongbing @nbu.edu.cn
作者简介:孙志刚(1986—),男,吉林省人,博士研究生。E-mail:sun319110@163.com。陈红兵(1964—),男,工学博士,宁波大学研究员、博士生导师,《人工晶体学报》编委。1997年在中国科学院上海光学精密机械研究所获博士学位,1999年在中国科学院上海硅酸盐研究所完成博士后研究,先后在西安交通大学、华东师范大学和宁波大学从事科研教学工作,现担任宁波大学无机材料研究所所长。长期从事以单晶生长为主的功能晶体材料研究,重点涉及闪烁单晶和铁电单晶材料的制备与光电性能研究,主持973计划专项课题、国家自然科学基金、重大军工专项课题等纵向项目10余项,主持产学研技术开发与成果转化项目10余项,在国内外专业期刊发表论文100余篇。曾获国家教育部科技进步二等奖、浙江省科学技术二等奖等科技奖励,相关技术成果转化入选教育部《中国高校产学研合作优秀案例》。
基金资助:
国家自然科学基金(51702171); 浙江省钱江人才计划

Preparation and Luminescent Properties of (Gd, Lu)₃Al₅O₁₂:Tb³⁺, Eu³⁺ Transparent Ceramics

SUN Zhigang, WANG Mengyao, LYU Bin, CHEN Hongbing

State Key Laboratory Base of Novel Functional Materials & Preparation Science, Key Laboratory of Photoelectric detection Materials & Devices of Zhejiang Province, Faculty of Materials Science & Chemical Engineering, Ningbo University, Ningbo 315211, China

Received:2021-09-01 Online:2021-10-15 Published:2021-11-24

摘要/Abstract

摘要： 通过简单的化学沉淀法制备了纳米前驱体,结合真空烧结工艺,制备了一系列镥稳定钆铝石榴石{(Gd, Lu)₃Al₅O₁₂∶Tb,Eu}透明陶瓷。将透明陶瓷加工成1 mm厚的圆片,对透明陶瓷样品进行了X射线衍射、光致发光、透过率和衰减时间等表征。高温烧结过后,陶瓷样品仍保持稳定的石榴石相。选定313 nm作为透明陶瓷的激发波长,可获得最强的荧光发射。此外,通过对不同样品进行紫外可见荧光测试,获得了由绿光到红光的可调节发射。在313 nm激发,543 nm和591 nm的监测波长下,透明陶瓷样品均具有Eu³⁺的毫秒级衰减时间。

关键词: 钆铝石榴石, 透明陶瓷, 晶格稳定, 稀土掺杂, 发光性能, 真空烧结

Abstract: A serious of lutetium stabilized gadolinium aluminum garnet transparent ceramics {(Gd, Lu)₃Al₅O₁₂:Tb, Eu} were prepared by co-precipitation method combining vacuum sintering process. Then the transparent ceramics with the thickness of 1 mm were polished. Crystal structure of transparent ceramic samples was characterized by X-ray diffraction and the optical property was characterized by fluorescence spectrophotometer and UV near infrared spectrophotometer. After the process of sintering ceramics at high temperature, the ceramic samples still maintain stable garnet phase. In the emission spectra obtained by UV excitation of different samples. 313 nm was selected as the excitation wavelength of transparent ceramics and the strongest emission peak can be obtained. The emission light from green light to red light can be adjusted. After 313 nm excitation, all transparent ceramic samples have a millisecond decay time of Eu³⁺at 543 nm and 591 nm emission wavelengths.

Key words: gadolinium aluminum garnet, transparent ceramics, lattice stability, rare earth halide, luminescent property, vacuum sintering

中图分类号:

TQ174.758⁺.23

孙志刚, 王梦瑶, 吕滨, 陈红兵. (Gd,Lu)₃Al₅O₁₂∶Tb³⁺,Eu³⁺透明陶瓷制备与发光性能[J]. 人工晶体学报, 2021, 50(10): 1984-1990.

SUN Zhigang, WANG Mengyao, LYU Bin, CHEN Hongbing. Preparation and Luminescent Properties of (Gd, Lu)₃Al₅O₁₂:Tb³⁺, Eu³⁺ Transparent Ceramics[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2021, 50(10): 1984-1990.

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(Gd,Lu)₃Al₅O₁₂∶Tb³⁺,Eu³⁺透明陶瓷制备与发光性能

Preparation and Luminescent Properties of (Gd, Lu)₃Al₅O₁₂:Tb³⁺, Eu³⁺ Transparent Ceramics

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