TY - JOUR
T1 - Ge-doped silica nanoparticles: production and characterisation
AU - Messina, Fabrizio
AU - Di Francesca, Diego
AU - Agnello, Simonpietro
AU - Alessi, Antonino
AU - Cannas, Marco
AU - Buscarino, Gianpiero
AU - Martin-Samos, null
AU - Girard, null
AU - Francesca, D.Di
AU - Boukenter, null
AU - Ouerdane, null
AU - Reghioua, null
AU - Francesca, D.Di
AU - Fanetti, null
AU - Valant, null
AU - Alessi, null
AU - Richard, null
PY - 2016
Y1 - 2016
N2 - Silica nanoparticles were produced from germanosilicate glasses by KrF laser irradiation. The samples were investigated by cathodoluminescence and scanning electron microscopy, providing the presence of nanoparticles with size from tens up to hundreds of nanometers. The emission of the Germanium lone pair center is preserved in the nanoparticles and atomic force microscopy revealed the presence of no spherical particles with a size smaller than ~4 nm. The absorption coefficient enhancement induced by Ge doping is reputed fundamental to facilitate the nanoparticles production. This procedure can be applied to other co-doped silica materials to tune the nanoparticles features.
AB - Silica nanoparticles were produced from germanosilicate glasses by KrF laser irradiation. The samples were investigated by cathodoluminescence and scanning electron microscopy, providing the presence of nanoparticles with size from tens up to hundreds of nanometers. The emission of the Germanium lone pair center is preserved in the nanoparticles and atomic force microscopy revealed the presence of no spherical particles with a size smaller than ~4 nm. The absorption coefficient enhancement induced by Ge doping is reputed fundamental to facilitate the nanoparticles production. This procedure can be applied to other co-doped silica materials to tune the nanoparticles features.
UR - http://hdl.handle.net/10447/216585
M3 - Article
VL - 6
SP - 2213
EP - 2220
JO - Optical Materials Express
JF - Optical Materials Express
SN - 2159-3930
ER -