One-Pot Microemulsion Synthesis of NaYF4∶Yb3+, Ho3+@Au
WANG Zhi-hui1, LONG Dan-dan2, LI Zi-juan2, YANG Ya-fei3, YAN Jing-hui2*, ZOU Ming-qiang4,5*
1. Vasculocardiology Deparment of The Second Affiliated Hospital of Jilin University, Changchun 130021, China
2. School of Chemical and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, China
3. Ningbo Iron and Steel Limited Company, Ningbo 315807, China
4. Chinese Academy of Inspection and Quarantine, Beijing 100123, China
5. China Inspection Laboratory Technologies Co. Ltd., Beijing 100123, China
Abstract：Rare earth fluoride nanomaterials and their precious metal complexes have unique optical, electrical and magnetic properties, which have been widely used in biomarker, optical storage, display and security. It has become one of the hotspots in the field of materials science. In this paper, the NaYF4∶Yb3+, Ho3+, NaYF4∶Yb3+, and Ho3+ @Au composites were prepared by using microemulsion method. The results show that NaYF4∶Yb3+, Ho3+@Au composites were directly formed in the microemulsion system. The XRD shows that the NaYF4∶Yb3+, Ho3+ is cubic phase, and there is no impurity peaks. Moreover, the diffraction peaks of NaYF4∶Yb3+, Ho3+ @Au contain both NaYF4 and Au. It can be seen from the SEM that the nanoparticles are uniform spherical whose particle size is about 58 nm. In the up-conversion spectra, the high luminous intensity at 484, 682 and 767 nm are corresponding to 5S2→5I8, 5F5→5I8, 5S2→5I7 transition of Ho3+.
王智慧，龙丹丹，李子娟，杨亚飞，闫景辉，邹明强. 微乳液法一步制备NaYF4∶Yb3+，Ho3+@Au[J]. 光谱学与光谱分析, 2018, 38(06): 1793-1797.
WANG Zhi-hui, LONG Dan-dan, LI Zi-juan, YANG Ya-fei, YAN Jing-hui, ZOU Ming-qiang. One-Pot Microemulsion Synthesis of NaYF4∶Yb3+, Ho3+@Au. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2018, 38(06): 1793-1797.
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