NDLI: Synthesis of ZnO and TiO$

Content Provider	Springer Nature Link
Author	Oskam, Gerko Poot, Felipe de Jesús Peet
Copyright Year	2006
Abstract	We report on the synthesis of ZnO and TiO$_{2}$ nanoparticles by solution-phase methods, with a particular focus on the influence of experimental parameters on the kinetics of nucleation and coarsening. The nucleation rate of ZnO from the reaction between ZnCl$_{2}$ and NaOH in ethanol was found to increase with increasing precursor concentration, while the coarsening rate is independent of precursor concentration up to a threshold concentration. The nucleation rate of ZnO from Zn(OOC-CH$_{3}$)$_{2}$ and NaOH in n-alkanols was found to decrease with decreasing chain length, which is explained by the increase of the dielectric constant of the solvent. Due to the larger solubility of ZnO, nucleation is significantly slower than that observed in the case of TiO$_{2}$. TiO$_{2}$ nanoparticles coarsen according to the Lifshitz-Slyozov-Wagner model for Ostwald ripening. We also show that using amorphous titania as a base material, pure anatase and brookite nanoparticles can be synthesized.
Starting Page	157
Ending Page	160
Page Count	4
File Format	PDF
ISSN	09280707
Journal	Journal of Sol-Gel Science and Technology
Volume Number	37
Issue Number	3
e-ISSN	15734846
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-02-24
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nanoparticle synthesis Titanium dioxide Zinc oxide Nucleation kinetics Coarsening Nanotechnology Inorganic Chemistry Optical and Electronic Materials Ceramics, Glass, Composites, Natural Methods
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Chemistry Materials Chemistry Biomaterials Condensed Matter Physics Electronic, Optical and Magnetic Materials

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