1. Upconversion nanoparticles based on rare-earth elements
- Author
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A. V. Leontyev, Vladimir S. Lobkov, D. K. Zharkov, Masfer Alkahtani, Philip R. Hemmer, Victor G. Nikiforov, and Artemii Smelev
- Subjects
010302 applied physics ,Aqueous solution ,Physics ,QC1-999 ,Nanoparticle ,Phosphor ,02 engineering and technology ,021001 nanoscience & nanotechnology ,Photochemistry ,Laser ,01 natural sciences ,Hydrothermal circulation ,law.invention ,Wavelength ,law ,Excited state ,0103 physical sciences ,0210 nano-technology ,Luminescence - Abstract
Using the hydrothermal method, we synthesized water soluble YVO4: Yb, Er nanoparticles with a size less than 10 nm. Nanoparticles exhibit intense luminescence in the green region due to Er3+ ions when excited by laser radiation at a wavelength of 980 nm as a result of the up-conversion process. Bright and stable luminescence also persists in an aqueous solution of nanoparticles. Based on experimental data, it can be argued that the objects obtained are promising in biological applications, as well as up-conversion phosphors.
- Published
- 2019