Sol-Gel Emulsion Synthesis of Biphotonic Core-Shell Nanoparticles Based on Lanthanides Doped Organic-Inorganic Hybrid Materials - Université Clermont Auvergne Accéder directement au contenu
Article Dans Une Revue Journal of Materials Chemistry Année : 2012

Sol-Gel Emulsion Synthesis of Biphotonic Core-Shell Nanoparticles Based on Lanthanides Doped Organic-Inorganic Hybrid Materials

Résumé

Eu3+ and Tb3+ complexes based on an organo-alkoxysilane derived from 4-azido dipicolinic acid by ''click chemistry'' were coated onto silica nanoparticles previously prepared by the water in oil emulsion method. Structural and optical properties of the resulting luminescent core-shell monodisperse (30 nm) nanohybrids were fully characterized by infrared and Raman spectroscopies as well as by electron microscopy. Fluorescence spectroscopy evidenced that an efficient ligand-to-Ln3+ energy transfer-- both in the mono- and biphotonic modes--occurs. Furthermore, surface modification by amino groups was realized, paving the way for nanotags of biological interest.
Fichier non déposé

Dates et versions

hal-00677553 , version 1 (08-03-2012)

Identifiants

  • HAL Id : hal-00677553 , version 1

Citer

Xianmin Guo, Jean-Louis Canet, Damien Boyer, Arnaud Gautier, Rachid Mahiou. Sol-Gel Emulsion Synthesis of Biphotonic Core-Shell Nanoparticles Based on Lanthanides Doped Organic-Inorganic Hybrid Materials. Journal of Materials Chemistry, 2012, 22, pp.6117-6122. ⟨hal-00677553⟩
58 Consultations
0 Téléchargements

Partager

Gmail Facebook X LinkedIn More