Journal
CRYSTAL GROWTH & DESIGN
Volume 12, Issue 6, Pages 2872-2876Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg300063p
Keywords
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Funding
- Fundamental Research Funds of the Central University [HEUCFZ1107]
- Education Department of Heilongjiang Province [11553044]
- High Education Doctoral Fund [160100110010]
- Special Innovation Talents of Harbin Science and Technology [2010RFXXG007]
- foundation of Harbin Engineering University [HEUFT07053]
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Various of nano alumina with desired size and morphology have been synthesized for different applications. In this study, we report the preparation of gamma-alumina nanorods with a diameter of 15-45 nm and a length of 60-150 nm, which aggregated into a typical morphology of nanosheets. The formation mechanism is assumed to discuss the fabrication process of unique structure. gamma-Al(2)0(3) nanorods are obtained after the annealing process to precursor natroalunite nanosheets synthesized by hydrothermal treatment of the sol in the presence of supercritical carbon dioxide. The precursor natroalunite and alumina are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), N-2 sorption isotherm, and TG-DSC.
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