Preparation and upconversion properties of rare earth doped core-shell Y (OH)3 and β-NaYF4 hybrid nanorods

被引：7
作者：
Jiang, Haili [1 ,2 ]
Sun, Zisong [1 ,2 ]
Liu, Zhihai [1 ,2 ]
Cheng, Peng [1 ,2 ]
Liu, Xuejun [1 ,2 ]
Sun, Jinghua [1 ,2 ]
Liu, Lu [1 ,2 ]
机构：
[1] Harbin Engn Univ, Minist Educ China, Key Lab In Fiber Integrated Opt, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Engn Univ, Sch Sci, Harbin 150001, Heilongjiang, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2018年 / 101卷
基金：
中国国家自然科学基金;
关键词：
Upconversion; Nanorods; Core-shell structure; NaYF4; Mechanisms; SITU ION-EXCHANGE; LANTHANIDE; LUMINESCENCE; NANOTUBES; SURFACE; NANOPHOSPHORS; NANOCRYSTALS; THERAPY;
D O I：
10.1016/j.materresbull.2018.01.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Er3+/Yb3+-doped Y(OH)(3)@beta-NaYF4 core-shell nanorods are synthesized through in situ ion exchange reaction using Y(OH)(3) nanorods as templates. Further, inert shells of beta-NaYF4 without activated dopants are coated by a facile hydrothermal method. Upconversion intensity increases dramatically by ion exchange reaction, and it can be further enhanced through coating inert shells. The maximal enhanced factor of inert coating reaches 6.58. On the basis of the structural tests and spectral data, formation mechanisms of the core-shell nanorods are discussed, as well as their upconversion properties.
引用
收藏
页码：61 / 66
页数：6
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