Comparison of physical-chemical and structural properties of nanocrystalline TiO2-SnO2 composites obtained by means of calcination and hydrotermal method
Anna Marzec, Zbigniew Pędzich
Quarterly No. 3, 2016 pages 196-199
DOI:
keywords: TiO2-SnO2 nanocomposites, nanopowders
abstract The article presents a comparison of the physical-chemical and structural properties of TiO2-SnO2 nanocomposites obtained by means of two methods: the calcination method and the hydrothermal method. The phase composition of the nanopowders and mean crystallite sizes were determined with the use of XRD analysis. Specific surface area measurements were conducted with the use of the sorption method based on BET isotherm measurements. In order to determine the morphology of the nanopowders, they were subjected to microscopic observations with the use of a transmission electron microscope. The presented methods enable the production of TiO2-SnO2 composite nanopowders of a controlled chemical composition varying both in the degree of particle agglomeration and mutual spatial distribution of the composite components, which will undoubtedly find its application in gas detection.