Improving luminescent penetrability by Tm3+/Ce3+ doped Y2O3 nanocrystals for optical imaging

被引：4

作者：

Ming, Chengguo ^{[1
]}

Pei, Manting ^{[1
,2
]}

Ren, Xiaobin ^{[1
]}

Xie, Ning ^{[1
]}

Cai, Yuanxue ^{[1
]}

Qin, Yueting ^{[1
]}

Yuan, Fengying ^{[1
]}

Wang, Gangzhi ^{[1
]}

An, Liqun ^{[1
]}

Song, Feng ^{[3
]}

机构：

[1] Tianjin Univ Sci & Technol, Sch Sci, Phys Dept, Tianjin 300457, Peoples R China

[2] Tianjin Univ Sci & Technol, Sch Mat Sci & Chem Engn, Tianjin 300457, Peoples R China

[3] Nankai Univ, Minist Educ, Key Lab Weak Light Nonlinear Photon, Tianjin 300457, Peoples R China

来源：

MATERIALS LETTERS | 2018年 / 218卷

基金：

中国国家自然科学基金;

关键词：

Luminescence materials; Rare earth ions; Optical imaging; UP-CONVERSION; ENERGY-TRANSFER; WHITE-LIGHT; EMISSION; TB3+; PHOSPHOR; PROBE; DY3+; IONS; EU3+;

D O I：

10.1016/j.matlet.2018.01.169

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We prepared the Y2O3 nanocrystals doped with Tm3+ and Ce3+ ions by the sol-gel method. The luminescence lifetimes, excitation and emission spectra have been studied in detail. The Tm3+/Ce3+ doped Y2O3 nanocrystals can emit strong 813 nm infrared with the excitation of 698 nm red light. The excitation wavelength at 698 nm and emission wavelength at 813 nm are located in the weak absorption area of biological tissues, which can enhance the quality of optical imaging. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：154 / 156

页数：3

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