Facile synthesis of NIR and Visible luminescent Sm3+ doped lutetium oxide nanoparticles

F. Locardi, E. Gianotti, I. Nelli, V. Caratto, A. Martinelli, M. Ferretti, G. A. Costa, L. Canesi, T. Balbi, M. Fasoli, M. Martini, B. M. Estevão, I. Miletto

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

A series of Sm3+ doped Lu2O3 nanoparticles have been synthesized via a simple co-precipitation method using oxalic acid as precipitant. The obtained compounds showed a platelet-like morphology with diameter ranging between 10 and 14 nm. The cell parameters increased with the increase of doping, due to the substitution of Lu3+ with larger Sm3+; also a progressive increase of the lattice strain has been induced. Sm3+ doped Lu2O3 nanoparticles showed interesting Vis and NIR emission, which was carefully evaluated together with lifetime measurements. In particular, the system with the lowest Sm3+ loading exhibited the best photoluminescence performances. Preliminary cell viability test evidenced that Sm3+ doped Lu2O3 nanoparticles are not toxic, underlining their potential application a NIR luminescent probes in bioimaging.

Lingua originaleInglese
pagine (da-a)220-227
Numero di pagine8
RivistaMaterials Research Bulletin
Volume86
DOI
Stato di pubblicazionePubblicato - 1 feb 2017

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