A version of Stöber synthesis enabling the facile prediction of silica nanospheres size for the fabrication of opal photonic crystals

A sol-gel synthesis procedure based on the method proposed by Stöber et al. (J Colloid Interface Sci 26:302–315, 1968) has been adopted for the one-step preparation of mono-dispersed silica nanospheres. An excellent control of the particle diameter over a wide range is obtained by varying the amount...

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Bibliographic Details
Published in:Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2008-10, Vol.10 (7), p.1225-1229
Main Authors: Santamaría Razo, Diego Adolfo, Pallavidino, Luca, Garrone, Edoardo, Geobaldo, Francesco, Descrovi, Emiliano, Chiodoni, Angelica, Giorgis, Fabrizio
Format: Article
Language:English
Subjects:
Brief Communication
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Crystals
Fabrication
Inorganic Chemistry
Lasers
Materials Science
Nanoparticles
Nanotechnology
Optical Devices
Optics
Photonics
Physical Chemistry
Silica
Thermal conductivity
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Summary:A sol-gel synthesis procedure based on the method proposed by Stöber et al. (J Colloid Interface Sci 26:302–315, 1968) has been adopted for the one-step preparation of mono-dispersed silica nanospheres. An excellent control of the particle diameter over a wide range is obtained by varying the amount of silicon alkoxide only, while the concentration of all other components is kept fixed: this allows the fabrication of artificial opals with a finely tuned and precisely predictable lattice parameter.
ISSN:1388-0764
1572-896X
DOI:10.1007/s11051-008-9373-4