TITLE

A novel zeolite-multiwalled carbon nanotube composite for the electroanalysis of copper(II) ion

AUTHOR(S)
Senthilkumar, S.; Saraswathi, R.
PUB. DATE
August 2011
SOURCE
Journal of Applied Electrochemistry;Aug2011, Vol. 41 Issue 8, p909
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The application of zeolite Y-multiwalled carbon nanotube (MWCNT) nanocomposite modified glassy carbon electrode (zeolite Y-MWCNT/GCE) in the electroanalysis of Cu ion is presented. In order to bring out the unique advantage of the zeolite Y-MWCNT/GCE, experiments were carried out also at graphite/GCE, MWCNT/GCE and zeolite Y-graphite/GCE. For the same surface area, the performance of zeolite Y-MWCNT/GCE was superior to the other modified electrodes in terms of current sensitivity for Cu ion. The combination of zeolite Y and MWCNT as a nanocomposite resulted in a good synergetic effect. The Cu ion sensor exhibited a linear calibration range between 5 × 10 and 1 × 10 mol L with a detection limit of 1.12 × 10 mol L (0.72 ppb).
ACCESSION #
62519840

 

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