Abstract
An experimental strategy was developed to obtain Si-Ti-Ni transparent sols via the sol-gel process. The sol was prepared from Si(OEt)4, Ti(OBu)4 and Nickel(II) acetylacetonate. The chelating agent (2,4 pentanedione, acacH) was employed to stabilize Ti precursor in order to control their chemical reactivity, avoiding precipitation.
Highlights
In recent decades, the synthesis and characterization of multi component materials has increased very rapidly [1]
Supported Nickel oxide (NiO) nanoparticles or thin films were suggested to be reactive for oxidative catalytic reactions, and much attention has been paid to the NiO-based catalysis [6]
Others authors reported that the surface area and average pore size of their NiO/TiO2/SiO2 system treated at 773K were 265.3m2/g and 12.6nm, respectively [6]
Summary
The synthesis and characterization of multi component materials has increased very rapidly [1]. The sol was polymerized at room temperature (293 K) to obtain gels and these were dried and treated at 673, 773 and 873 K in air. The purpose of producing porous polymeric system of SiO2-TiO2-NiO is to combine the properties of each of the oxides in a single material for use in catalytic reactions.
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