XRD, TEM and thermal analysis of Fe doped boehmite nanofibres and nanosheets
Frost, Ray L., Zhao, Yanyan, Martens, Wayde N., & Zhu, Huai Yong (2007) XRD, TEM and thermal analysis of Fe doped boehmite nanofibres and nanosheets. Journal of Thermal Analysis and Calorimetry, 90(3), 755 -760.
Iron doped boehmite nanofibres with varying iron content have been prepared at low temperatures using a hydrothermal treatment in the presence of poly (ethylene oxide) surfactant. 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 Fe doping is less than 5 %; in contrast nanosheets were formed if Fe doping was above 5 %. For the 3 % Fe doped boehmite, a mixed morphology of nanofibres and nanosheets were obtained. Nanotubes instead of nanofibres were observed in samples with 20 % added iron. The Fe doped boehmite and the subsequent nanofibres/ nanotubes were analysed by thermogravimetric and differential thermogravimetric methods. Boehmite nanofibres decompose at higher temperatures than non-hydrothermally treated boehmite and nano-sheets decompose at lower temperatures than the nanofibres.
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|Item Type:||Journal Article|
|Keywords:||boehmite, acicular, nanofibre, nanotube, nanosheets|
|Subjects:||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) > Structural Chemistry and Spectroscopy (030606)
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|
Current > Research Centres > Science Research Centre
|Copyright Owner:||Copyright 2007 Springer|
|Copyright Statement:||The original publication is available at SpringerLink http://www.springerlink.com|
|Deposited On:||10 Dec 2007|
|Last Modified:||25 Feb 2013 12:49|
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