XRD, TEM and thermal analysis of yttrium doped boehmite nanofibres and nanosheets
Zhao, Yanyan, Frost, Ray L., Vagvolgyi, Veronika, Waclawik, Eric R., Kristof, Janos, & Horvath, Erzsebet (2008) XRD, TEM and thermal analysis of yttrium doped boehmite nanofibres and nanosheets. Journal of Thermal Analysis and Calorimetry, 94(1), pp. 219-226.
Yttrium doped boehmite nanofibres with varying yttrium content have been prepared at low temperatures using a hydrothermal treatment in the presence of poly (ethylene oxide) surfactant (PEO). The resultant nanofibres were characterized by X-ray diffraction (XRD), and transmission electron microscopy (TEM). TEM images showed the resulting nanostructures are predominantly nanofibres when Y doping is less than 5 %; in contrast Y rich phases were formed when doping was around 10 %.
The doped boehmite and the subsequent nanofibres/ nanotubes were analyzed by thermogravimetric and controlled rate thermal analysis methods. The boehmite nanofibres produced in this research thermally transform at higher temperatures than boehmite crystals and boehmite platelets. Boehmite nanofibres decompose at higher temperatures than non-hydrothermally treated boehmite.
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|Item Type:||Journal Article|
|Keywords:||boehmite, acicular, nanomaterial, nanofibre, nanotube, nanosheets|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Catalysis and Mechanisms of Reactions (030601)|
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600)
Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Colloid and Surface Chemistry (030603)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2008 Springer|
|Copyright Statement:||The original publication is available at SpringerLink http://www.springerlink.com|
|Deposited On:||09 Oct 2008|
|Last Modified:||29 Feb 2012 23:46|
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