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Article Dans Une Revue ACS Applied Materials & Interfaces Année : 2014

Nanoparticulate Coatings with Efficient Up-Conversion Properties

Résumé

Nanoparticulate films with high up-conversion emission (UC) properties were prepared by spray-deposition of nanometer-sized YVO 4 :Yb,Er particles. The optical properties of YVO 4 :Yb,Er were optimized upon annealing before the film deposition in order to get the highest possible UC signal in the considered type of system. Thanks to a simple model and some time-resolved spectroscopic investigations, the contribution of the scattering to the UC signal could be separated from the intrinsic properties (crystallinity, surface defects) of the material. The films obtained by this technique present the advantages of having both high UC and good transparency.
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Dates et versions

hal-01346315 , version 1 (21-07-2016)

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Géraldine Dantelle, Rocío Calderoon-Villajos, Carlos Zaldo, Concepcion Cascales, Thierry Gacoin. Nanoparticulate Coatings with Efficient Up-Conversion Properties. ACS Applied Materials & Interfaces, 2014, 6 (24), pp.22483-22489. ⟨10.1021/am5065377⟩. ⟨hal-01346315⟩
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