期刊
THERMOCHIMICA ACTA
卷 483, 期 1-2, 页码 29-35出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.tca.2008.10.024
关键词
Boehmite; Chromium doping; Nanofibres; Nanomaterial; Transmission electron microscopy; Thermal analysis; Thermogravimetry
资金
- Queensland University of Technology Inorganic Materials Research Program of the School of Physical and Chemical Sciences
- Australian Research Council (ARC)
Thermogravimetric and differential thermogravimetric analysis has been used to study synthesised chromium doped boehmite. The dehydroxylation temperature increases significantly from 0 to 5% doping, after which the dehydroxylation temperature shows a small steady increase Lip to the 20% doping level. The temperature of dehydroxylation increases with time of hydrothermal treatment. Chromium doped boehmite nanofibres were also characterised by X-ray diffraction and transmission electron microscopy. Hydrothermal treatment of doped boehmite with chromium resulted in the formation of nanofibres over a wide dopant range. Nanofibres up to 500 nm in length and between 4 and 6 nm in width were produced. (C) 2008 Elsevier B.V. All rights reserved.
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