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Synthesis and electrochemical characterization of original “TEMPO” functionalized multiwall carbon nanotube materials: Application to iron (II) detection
Date issued
2015
Author(s)
Elouarzaki, Kamal
Popescu, Luisa Roxana
Gorgy, Karine
Holzinger, Michael
Amarandei, Cristina-Andreea
Ungureanu, Eleonora-Mihaela
Cosnier, Serge
Abstract
We report the synthesis and electrochemical behavior of an original catalyst bearing a 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) unit and a pyrene group. Anchoring of this bi-functional molecule by π -stacking onto multiwalled carbon nanotubes allows the study of the electrochemical properties of the compound in the
immobilized state. These resulting functionalized TEMPO materials were used to detect iron(II) in solution
with an experimental detection limit of 3.9 × 10−8 mol L−1 and a linear range between 7.8 × 10−8 and
1.4 × 10−6 mol L−1.
immobilized state. These resulting functionalized TEMPO materials were used to detect iron(II) in solution
with an experimental detection limit of 3.9 × 10−8 mol L−1 and a linear range between 7.8 × 10−8 and
1.4 × 10−6 mol L−1.
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Electrochemistry Comunication_2015_PLR.pdf
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