Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 509, Issue 18, Pages 5667-5671Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2011.02.118
Keywords
Carbon nanotube; Chitosan; Cu(II) ion; Composite electrode; Electrochemical removal
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Funding
- Special Project for Nanotechnology of Shanghai [1052nm02700]
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Carbon nanotube-chitosan (CNT-CS) composite electrodes are prepared by firstly reacting oxidized CNT with thionyl chloride and then covalently grafting CS onto the surface of CNT. The electrochemical removal of Cu(2+) ions by CNT-CS composite electrodes is investigated. The results show that CNT-CS Exhibits 85% Cu(2+) removal ratio, 25% higher than that of pristine CNT, due to its lower zeta potential, higher surface area, more hydrophilic surface and more binding sites. (C) 2011 Elsevier B.V. All rights reserved.
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