Porous nanosized oxide powders in the MgO-TiO2 binary system obtained by sol-gel method

Mesoporous powders were obtained by sol-gel process in the MgO-TiO2 system. The scanning electron microscopy (SEM), infrared spectroscopy (FT-IR), thermogravimetric/differential thermal analysis (TG/DTA), powder X-ray diffraction (XRD) and nitrogen adsorption/desorption measurements have been used t...

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Bibliographic Details
Published in:Ceramics international 2014-12, Vol.40 (10), p.15693-15701
Main Authors: Todan, Ligia, Dascalescu, Tiberiu, Preda, Silviu, Andronescu, Cristian, Munteanu, Cornel, Culita, Daniela C., Rusu, Adriana, State, Razvan, Zaharescu, Maria
Format: Article
Language:English
Subjects:
Carbon dioxide
Carbon monoxide
Ceramics
CO2 and CO adsorption
Crystallinity
Evolution
MgO-TiO2 mixed oxide
Nanostructure
Oxides
Porosity
Porous material
Sol gel process
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Summary:Mesoporous powders were obtained by sol-gel process in the MgO-TiO2 system. The scanning electron microscopy (SEM), infrared spectroscopy (FT-IR), thermogravimetric/differential thermal analysis (TG/DTA), powder X-ray diffraction (XRD) and nitrogen adsorption/desorption measurements have been used to characterize the morphology, phase evolution, crystallinity and pore structure of the obtained materials. The adsorption capacity of the synthesized powders for CO2 and CO was also investigated. The results were discussed comparatively with those obtained for the monocomponent oxides in order to establish new and better potential for their applications.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2014.07.092