期刊
JOURNAL OF NANOPARTICLE RESEARCH
卷 23, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1007/s11051-021-05141-4
关键词
Codoped; Y2O3; Fluorescence; Magnetism; Nanocomposites
资金
- Science and Technology Research Project of Hebei Higher Education (Hebei Education Department) [XM20151119230021355 (BJ201605)]
- Open Project of State Key Laboratory of Advanced Metals and Materials (University of Science and Technology Beijing) [2017-Z05]
- Science and Technology Plan Project of Tangshan City (Tangshan Science and Technology Bureau) [17110223a]
This study fabricated Eu3+ and Dy3+ codoped Y2O3 (Y2O3:Eu3+, Dy3+) based bifunctional nanocomposites by solid-state route, with Fe or Fe3O4 as the magnetic component. The composition, microstructure, and formation mechanism of the nanocomposites were investigated, revealing that they are mainly composed of Y2O3:Eu3+, Dy3+ nanorods and Fe (or Fe3O4) nanoparticles with specific size characteristics. The fluorescence and magnetism of the nanocomposites were evaluated based on the influences of the amount of raw materials.
Eu3+ and Dy3+ codoped Y2O3 (Y2O3:Eu3+, Dy3+) based bifunctional nanocomposites were fabricated by solid-state route. The magnetic component of the nanocomposites is Fe or Fe3O4. The composition and microstructure of the nanocomposites were studied. The results indicate that nanocomposites are mainly consisted of Y2O3:Eu3+, Dy3+ nanorods and Fe (or Fe3O4) nanoparticles. The length and diameter of the nanorods are in the size range of 500-1500 nm and 80-150 nm, respectively. The size of Fe or Fe3O4 nanoparticles is about 20 nm. A probable formation mechanism of nanocomposites has been analyzed. The fluorescence and magnetism of nanocomposites have been evaluated based on the influences of amount of raw materials.
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