EFFECT OF ACETYLENE FLOW RATE ON ELECTROSORPTION CAPACITY OF CARBON NANOTUBE AND NANOFIBER COMPOSITE FILM ELECTRODES

X. Z. Wang, L. K. Pan, M. G. Li, Y. W. Chen, R. M. Cheng, S. M. Huang and Z. Sun ()
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X. Z. Wang: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, East China Normal University, North Zhongshan Rd. 3663, Shanghai 200062, China
L. K. Pan: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, East China Normal University, North Zhongshan Rd. 3663, Shanghai 200062, China
M. G. Li: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, East China Normal University, North Zhongshan Rd. 3663, Shanghai 200062, China
Y. W. Chen: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, East China Normal University, North Zhongshan Rd. 3663, Shanghai 200062, China
R. M. Cheng: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, East China Normal University, North Zhongshan Rd. 3663, Shanghai 200062, China
S. M. Huang: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, East China Normal University, North Zhongshan Rd. 3663, Shanghai 200062, China
Z. Sun: Engineering Research Center for Nanophotonics and Advanced Instrument, Ministry of Education, East China Normal University, North Zhongshan Rd. 3663, Shanghai 200062, China

Surface Review and Letters (SRL), 2007, vol. 14, issue 01, 135-139

Abstract: Electrosorption of carbon nanotube and nanofiber (CNT–CNF) composite film electrodes was studied as a new desalination technology. The CNT–CNF composite film electrodes were grown on nickel sheets by low pressure thermal chemical vapor deposition. Different growth conditions at different acetylene flow rates of CNT–CNF composite film electrodes have been performed to obtain different crystallinities. The electrosorption experiments and Raman spectra analysis show the successful removal of ions with CNT–CNF composite film electrodes, depending on the optimal degree of crystalline perfection. In our work, optimal electrosorption was realized for the CNT–CNF composite film electrodes growing at 550°C with the acetylene and hydrogen flow rates of 30 and 200 sccm.

Keywords: Electrosorption; carbon nanotubes and nanofibres (CNTs–CNFs); acetylene; flow rate; crystallinity; Raman spectroscopy (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0218625X07009189

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