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Title: | Synthesis, characterization and the electrocatalytic behaviour of nickel (II) tetraamino-phthalocyanine chemically linked to single walled carbon nanotubes | Authors: | Mugadza, Tawanda Nyokong, Tebello |
Keywords: | Cyclic voltammetry Nickel tetraamino-phthalocyanine Single walled carbon nanotubes Rotating disc electrode Chronoamperometry |
Issue Date: | 2011 | Publisher: | Elsevier | Series/Report no.: | Electrochimica Acta;Vol. 55, no. 20 | Abstract: | In this work we report on the synthesis, characterization and the electrochemical behavior of amide linked nickel (II) tetraamino-phthalocyanine (NiTAPc)-single walled carbon nanotube (SWCNT) nanomaterials (NiTAPc-SWCNT (linked)). UV–vis, XRD, IR and Raman spectroscopies were used in characterization whilst cyclic voltammetry was used to study the electrochemical behavior of NiTAPc-SWCNT (linked)-GCE. Relative to the bare glassy carbon electrode (bare-GCE), SWCNT-GCE, NiTAPc-GCE, and NiTAPc/SWCNT (mixed)-GCE, the NiTAPc-SWCNT (linked)-GCE gave the best current responses for the oxidation of 2-mercaptoethanol (2-ME). The catalytic rate constant is of the magnitude of 103 M−1 s−1 while the detection limit (LOD) is 0.15 μM using the 3δ notation, with a sensitivity of 2.53 μA μM−1 cm−2. | URI: | http://dx.doi.org/10.1016/j.electacta.2010.05.065 | ISSN: | 0013-4686 |
Appears in Collections: | Research Papers |
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File | Description | Size | Format | |
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ABSTRAC Synthesis 2.pdf | 290.83 kB | Adobe PDF | View/Open |
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