Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 474, Issue 1-2, Pages 358-363Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2008.06.084
Keywords
Nanostructured material; Inorganic materials; Chemical synthesis; Catalysis
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Funding
- National Natural Science Foundation of China [20706015, 50703009]
- Major Basic Research Project of Shanghai [07DJ14001]
- Foundation of Ministry of Education of China [20070251022]
- Special Projects for Nanotechnology of Shanghai [0752nm010]
- Program of Shanghai Subject Chief Scientist [08XD14015]
- Shanghai Leading Academic Discipline Project [B502.]
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Flower-shaped NiO architectures have been synthesized successfully through annealing alpha-Ni(OH)(2) precursor, which are obtained on plane alloy substrate by a hydrothermal route. The SEM results show that these structures are composed of porous NiO nanosheets. Hexamethylenetetramine (HMT) was proved to be effective in promoting the self-organization of alpha-Ni(OH)(2) nanosheets into flower-shaped architectures during hydrothermal treatment. The morphology of NiO architectures could be readily changed by adjusting the reaction temperature. The formation processes of these structures were discussed. Furthermore, the as-formed NiO architectures have been used as catalysts for the formation of carbon nanotubes in methane diffusion flame and show good catalytic activity. (C) 2008 Elsevier B.V. All rights reserved.
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