Journal
NANOMATERIALS
Volume 11, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/nano11020529
Keywords
rare earth; europium hydroxides; hydrothermal; morphology control; nanoparticles
Categories
Funding
- National Nature Science Foundation of China (NSFC) [U1904213]
- Key Research and Development Program of Jiangsu Province [BE2018008-2]
- Research Fund of State Key Laboratory of Mechanics and Control of Mechanical Structures (Nanjing University of Aeronautics and astronautics) [MCMS-0518K01]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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In this study, Eu(OH)(3) with various shape-controlled morphologies and sizes were successfully synthesized through hydrothermal reactions. The effects of initial pH value and reaction temperature on the crystalline phase and morphology of the products were investigated, with a proposed formation process to control the morphologies and sizes of europium products by adjusting the hydrothermal temperature and initial pH value of the starting solution.
Eu(OH)(3) with various shape-controlled morphologies and size, such as plate, rod, tube, prism and nanoparticles was successfully synthesized through simple hydrothermal reactions. The products were characterized by XRD (X-Ray Powder Diffraction), FE-SEM (Field Emission- Scanning Electron Microscopy) and TG (Thermogravimetry). The influence of the initial pH value of the starting solution and reaction temperature on the crystalline phase and morphology of the hydrothermal products was investigated. A possible formation process to control morphologies and size of europium products by changing the hydrothermal temperature and initial pH value of the starting solution was proposed.
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