Palavras-chave
Upconversion
Rare earth
Como Citar
Resumo
Multifunctional systems based on lanthanide-doped nanoparticles can combine optical and magnetic properties with wide applications in diagnosis and treatment of diseases. Hierarchically nanostructure core@shell systems of NaGdF4:Er:Yb, NaGdF4:Er:Yb@NaYF4:Yb@NaYF4:Tb:Yb and NaYF4:Tb:Yb@NaYF4:Yb@NaGdF4:Er:Yb composition were synthesized to investigate the magnetic and optical properties in order to obtain nanoparticles with morphology, size and properties that allow the application in biological media. Information on the crystalline phase, particle morphologies and the upconversion emission spectra were obtained using: X-Ray Diffraction (XRD), Transmission Electron Microscopy (TEM) and Photoluminescence Spectroscopy.
Referências
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