期刊
CRYSTENGCOMM
卷 16, 期 27, 页码 6141-6148出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ce00440j
关键词
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资金
- Natural Science Foundation of China (NSFC) [51372175]
- Hong Kong Research Grants Council (RGC) General Research Funds (GRF) [CityU 112212]
- Guangdong-Hong Kong Technology Cooperation Funding Scheme (TCFS) [GHP/015/12SZ]
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.
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