NDLI: Contrôle de la morphologie des poudres par l'ajout de fondants : Application à un luminophore

Content Provider	Semantic Scholar
Author	Duault, Frédéric Junker, Michel Grosseau, Philippe Guilhot, Bernard Iacconi, Philibert Moine, Baptiste Le-Mercier, Thierry
Copyright Year	2004
Abstract	Ce travail porte sur l'amelioration du procede de fabrication des luminophores et en particulier un phosphate de lanthane : LaPO4:Ce,Tb (LaCeT). L'influence de fondants carbonates (Li2CO3, Na2CO3, K2CO3, ...) sur la taille et la forme des grains du luminophore y est decrite. Pour ce faire des analyses par microscopie electronique a balayage ont ete effectuees. Des resultats concluants ont pu en etre tires : des grains de morphologie controlee (forme de spheres ou de plaquettes) et de taille adaptee (modulable de 0,1 a 10 μm) ont pu etre synthetises. Par ailleurs, la photoluminescence des poudres obtenues a ete controlee et il a ete montre que l'effet du fondant n'est pas dommageable aux proprietes optiques des luminophores finales.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://hal-emse.ccsd.cnrs.fr/hal-00838312/document
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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