Films of poly(4-azulen-1-yl-2,6-bis(2-thienyl)pyridine) for heavy metal ions complexation |
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| Authors: | George-Octavian Buica Eleonora-Mihaela Ungureanu Liviu Birzan Alexandru C. Razus Magdalena-Rodica Bujduveanu |
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| Affiliation: | aPetroleum-Gas University of Ploiesti, Bucuresti 39, PO Box 52, 100680-Ploiesti, Romania;bUniversity “Politehnica” of Bucharest, Gheorghe Polizu 1-7, 011061, Sector1, Bucharest, Romania;cInstitute of Organic Chemistry “C. D. Nenitzescu” of Romanian Academy, Spl. Independentei 202B, PO Box 15-258, 71141-Bucharest, Romania |
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| Abstract: | Electrochemical behaviour and electropolymerization of 4-azulen-1-yl-2,6-bis(2-thienyl)pyridine (L) has been studied. Complexing polymer-coated electrodes have been synthesized by oxidative electropolymerization of L in acetonitrile solutions containing 0.1 M tetrabutylammonium perchlorate. The films were characterized by cyclic voltammetry, differential pulse-voltammetry and scanning electron microscopy. The complexing properties of L and these new polymer-coated electrode materials were investigated towards heavy metals leading to complexation of lead and cadmium metal cations inside the polymer film. |
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| Keywords: | 2,6-Di(thien-2-yl)-4-(azulen-1-yl)-pyridine Electropolymerization Modified electrodes Complexation of lead and cadmium ions |
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