Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 136, Issue 2-3, Pages 666-672Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2012.07.040
Keywords
Nanostructures; Oxides; Precipitation; Silver oxide
Categories
Funding
- Natural Science Foundation of China [50902070]
- Program for New Century Excellent Talents in University (NCET), DFSR [A2620110010]
- Jiangsu Funds for Distinguished Young Scientists [BK2012035]
- NUST Research Funding [2011PYXM03, 2012ZDJH002]
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The assembly of nanoparticles onto carbon nanotubes has exhibited intriguing properties for various applications. Recent researches on preparation of carbon nanotubes based hybrids usually involve a heavy oxidation, usually yielding excessive structure defects. Here, a facile soft oxidation route was developed to fabricate carbon nanotubes (CNTs) supported Ag2O nanoparticles. The hydrolysis of metal nitrate in aqueous solution in the presence of N-methyl-2-pyrrolidone can produce metal oxide. H+ and NO3- and the as-produced species of NO3- and H+ can react with carbon atoms of CNTs, forming oxygen-containing functional groups on the surfaces. These functional groups then can serve as the anchors and eventually form the CNTs-Ag2O hybrids, where the CNTs backbones in the hybrids have a characteristically low defect density. The microstructures of Ag2O nanoparticles on CNTs can be controlled, providing a pathway for tailoring their optical and electrochemical performances. (c) 2012 Elsevier B.V. All rights reserved.
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