Electrosorption of cupric ions from solutions by carbon nanotubes and nanofibres film electrodes grown on graphite substrates

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Electrosorption of ions from aqueous solutions with carbon nanotubes and nanofibres (CNTs-CNFs) film electrodes has been demonstrated. The cost-effective, large area CNTs-CNFs film was synthesised on graphite substrate by low pressure and low temperature thermal chemical vapor deposition (CVD). Successful removal of Cu²⁺ from water by electrosorption of CNTs-CNFs films was achieved. The electrosorption capacity of CNTs-CNFs film electrodes was approximately 30.6~136.2 mumol/g. The ion sorption followed a Langmuir isotherm, indicating monolayer adsorption. The degradation of CNTs-CNFs electrodes for the electrosorption of Cu²⁺ maybe due to the electrolytic reaction occurred on the surface of the electrodes.

Published in:
Nanoelectronics Conference, 2008. INEC 2008. 2nd IEEE International

Date of Conference: 24-27 March 2008

Page(s):: 242 - 247
E-ISBN :: 978-1-4244-1573-1
Print ISBN:: 978-1-4244-1572-4
INSPEC Accession Number:: 10118499

Conference Location :: Shanghai
Digital Object Identifier :: 10.1109/INEC.2008.4585478
Product Type:: Conference Publications

Author(s)

Gao, Y.
Dept. of Phys., East China Normal Univ., Shanghai
Li, H.B. ; Cheng, Z.J. ; Zhang, M.C. ; Zhang, Y.P. ; Zhang, Z.J. ; Chen, Y.W. ; Pan, L.K. ; Sun, Z.