Razo, Diego Adolfo Santamaria and Pallavidino, Luca and Garrone, Edoardo and Geobaldo, Francesco and Descrovi, Emiliano and Chiodoni, Angelica and Giorgis, Fabrizio (2008) A version of Stober synthesis enabling the facile prediction of silica nanospheres size for the fabrication of opal photonic crystals. JOURNAL OF NANOPARTICLE RESEARCH, 10 (7). pp. 1225-1229.
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A sol-gel synthesis procedure based on the method proposed by Stober 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.
|Uncontrolled Keywords:||3-D photonic crystals; synthetic opals; Bragg reflection peak; monodispersed silica nanospheres; self assembly; colloids|
|Subjects:||Material Science > Nanofabrication processes and tools|
Material Science > Soft materials
|Deposited By:||Farnush Anwar|
|Deposited On:||15 Dec 2008 15:39|
|Last Modified:||15 Dec 2008 15:39|
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