Journal
CARBON
Volume 48, Issue 9, Pages 2501-2505Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2010.03.023
Keywords
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Funding
- Defense Science and Technology Agency (DSTA) of Singapore [POD0513240]
- Singapore National Research Foundation [NRF-CRP2-2007-02]
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A magnetically responsive nanomaterial was prepared by covalent attachment of a magnetic ionic liquid (MIL), specifically 1-butyl-3-methylimidazolium [FeCl4], to single-walled carbon nanotubes (SWCNTs). Our magnetic-SWCNTs, based on molecular FeCl4- magnetic ion bound to cationic imidazolium which was covalently conjugated to the nanotubes, were found to have a strong magnetic response and be easily dispersed in an organic solvent, N-methyl pyrrolidone. MIL-based magnetic SWCNTs is superior to magnetic particle-based nanotubes since particles attached typically are much bigger than the nanoscale diameter of SWCNTs and are prone to aggregation, detachment and non-homogeneity. (C) 2010 Elsevier Ltd. All rights reserved.
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