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Luminescence and X-ray Absorption Properties of Uniform Eu3+:(H3O)Lu3F10 Nanoprobes

1
Instituto de Ciencia de Materiales de Sevilla (CSIC-US), c/Américo Vespucio, 49. 41092 Sevilla, Spain
2
Centro Nacional de Aceleradores (CNA) (Universidad de Sevilla, Junta de Andalucía, CSIC), c/Thomas Alva Edison 7, 41092 Sevilla, Spain
*
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(8), 1153; https://doi.org/10.3390/nano9081153
Received: 25 July 2019 / Revised: 3 August 2019 / Accepted: 8 August 2019 / Published: 12 August 2019
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Abstract

Due to the high atomic number of lutetium and the low phonon energy of the fluoride matrix, Lu-based fluoride nanoparticles doped with active lanthanide ions are potential candidates as bioprobes in both X-ray computed tomography and luminescent imaging. This paper shows a method for the fabrication of uniform, water-dispersible Eu3+:(H3O)Lu3F10 nanoparticles doped with different Eu contents. Their luminescent properties were studied by means of excitation and emission spectra as well as decay curves. The X-ray attenuation capacity of the phosphor showing the highest emission intensity was subsequently analyzed and compared with a commercial contrast agent. The results indicated that the 10% Eu3+-doped (H3O)Lu3F10 nanoparticles fabricated with the proposed polyol-based method are good candidates to be used as dual probes for luminescent imaging and X-ray computed tomography. View Full-Text
Keywords: nanoparticles; rare earth fluorides; lutetium; polyols; luminescence; X-ray computed tomography nanoparticles; rare earth fluorides; lutetium; polyols; luminescence; X-ray computed tomography
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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González-Mancebo, D.; Becerro, A.I.; Corral, A.; Balcerzyk, M.; Ocaña, M. Luminescence and X-ray Absorption Properties of Uniform Eu3+:(H3O)Lu3F10 Nanoprobes. Nanomaterials 2019, 9, 1153.

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