Journal
CARBON
Volume 49, Issue 1, Pages 70-76Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2010.08.043
Keywords
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Funding
- National Key Basic Research Program of China [2007CB936803]
- Ministry of Science and Technology of China [2008DFA51220]
- Chinese Academy of Science [KJCX2-YW-M01]
- National Natural Science Foundation of China [20874023]
- Bayer Material Science AG
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A method of carbon nanotubes (CNTs) oxidation at room temperature using ozone with added water vapor is described The resulting CNTs were characterized by Fourier trans form infrared, X-ray photoelectron spectroscopy and scanning and transmission electron microscopy These show that more oxygenated functional groups could be grafted onto the CNT surfaces due to the addition of water vapor, compared to traditional approaches in which high density of ozone is required The existed hydroxyl radicals in the water vapor/ozone mixture is considered to be responsible for the increased CNT oxidizing degree (C) 2010 Elsevier Ltd All rights reserved
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