Synthesis of hollow rare-earth compound nanoparticles by a universal sacrificial template method

被引：35

作者：

Jia, Yue ^{[1
]}

Sun, Tian-Ying ^{[1
]}

Wang, Jia-Hong ^{[1
]}

Huang, Hao ^{[1
,3
]}

Li, Penghui ^{[2
,3
]}

Yu, Xue-Feng ^{[1
,2
,3
]}

Chu, Paul K. ^{[3
]}

机构：

[1] Wuhan Univ, Dept Phys, Key Lab Artificial Micro & Nanostruct, Minist Educ, Wuhan 430072, Peoples R China

[2] Chinese Acad Sci, Shenzhen Inst Adv Technol, Inst Biomed & Biotechnol, Beijing 100864, Peoples R China

[3] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China

来源：

CRYSTENGCOMM | 2014年 / 16卷 / 27期

关键词：

UP-CONVERSION LUMINESCENCE; DRUG-DELIVERY PROPERTIES; MESOPOROUS SILICA; LABELING PHOSPHOPEPTIDES; CONTROLLABLE SYNTHESIS; ENHANCED LUMINESCENCE; FORMATION MECHANISM; RELEASE PROPERTIES; IN-VIVO; SPHERES;

D O I：

10.1039/c4ce00440j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A universal technique to synthesize hollow nanoparticles including spindle-like YVO4, urchin-like YPO4, and bowl-like NaYF4 by a sacrificial process utilizing the Y(OH)CO3 template is described. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared (FTIR) spectroscopy, and N-2 adsorption-desorption measurements reveal that hollow nanoparticles with a controllable size are produced due to the Kirkendall phenomenon. Bright fluorescence can be obtained by doping the nanoparticles with lanthanide ions such as Eu3+, Ce3+/Tb3+, and Yb3+/Er3+. These hollow nanoparticles exhibiting bright fluorescence have potential in fluorescence-guided drug-delivery applications and this universal and effective technique can be employed to fabricate various types of hollow materials.

引用

页码：6141 / 6148

页数：8

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