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Open AccessArticle

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
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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MDPI and ACS Style

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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