Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 94: Issue 1
XRD, TEM and thermal analysis of yttrium doped boehmite nanofibres and nanosheets
Authors:
Y. Zhao Queensland University of Technology Inorganic Materials Research Program, School of Physical and Chemical Sciences 2 George Street GPO Box 2434 Brisbane Queensland 4001 Australia

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R. Frost Queensland University of Technology Inorganic Materials Research Program, School of Physical and Chemical Sciences 2 George Street GPO Box 2434 Brisbane Queensland 4001 Australia

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Veronika Vágvölgyi University of Pannonia Department of Analytical Chemistry 8201 Veszprém PO Box 158 Hungary

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E. Waclawik Queensland University of Technology Inorganic Materials Research Program, School of Physical and Chemical Sciences 2 George Street GPO Box 2434 Brisbane Queensland 4001 Australia

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J. Kristóf University of Pannonia Department of Analytical Chemistry 8201 Veszprém PO Box 158 Hungary

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Erzsébet Horváth University of Pannonia Department of Environmental Engineering and Chemical Technology 8201 Veszprém PO Box 158 Hungary

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Pages:
219–226
Online Publication Date:
15 Aug 2008
Publication Date:
01 Oct 2008
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-008-9002-6
Keywords:
acicular; boehmite; nanofibre; nanomaterial; nanosheets; nanotube
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Abstract  

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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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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