Synthesis of CeO2: sol-gel properties and characterization of the obtained nanoparticles

 

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Autoři: Vega-Garita, Victor, Matamoros-Quesada, Josué, Vega-Baudrit, José
Médium: artículo original
Stav:Versión publicada
Datum vydání:2014
Popis:We propose an efficient sol-gel synthesis of a nanoparticled cerium oxide (IV) method. AFM micrographs confirm the presence of nanoparticles. Furthermore, TGA, FTIR and XRD measurements validate the absence of impurities. Scherrer’s law reveals a particle size of 11 nm, whereas DLS analysis shows an average diameter of 9.55 nm. Notably, viscosity and concentration behave proportionally. Contact angle measurements show that is more feasible to coat silicon (110) substrate than pure aluminum. Moreover, a filter for ultraviolet radiation is obtained when particle concentrations are larger than 13.74 mg/cm3. 
Země:Portal de Revistas TEC
Instituce:Instituto Tecnológico de Costa Rica
Repositorio:Portal de Revistas TEC
Jazyk:Español
OAI Identifier:oai:ojs.pkp.sfu.ca:article/2067
On-line přístup:https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/2067
Klíčové slovo:CeO2
sol-gel
viscosidad
ángulo de contacto
nanopartículas.
sol–gel
viscosity
contact angle
nanoparticles.