Uptake of copper ions by carbon fiber/polymer hybrids prepared by tandem diazonium salt chemistry and in situ atom transfer radical polymerization

Cyclam-functionalized polyglycidyl methacrylate, grafted on carbon fibres (CF-PGMA-Cy) was prepared by atom transfer radical polymerization using aryl diazonium salt initiators. These adsorption maximum capacity of CF-PGMA-Cy fibres for Cu(II) was found to be 28.6 mg/g at pH 5.2 and the adsorption k...

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Published inCarbon (New York) Vol. 48; no. 7; pp. 2106 - 2111
Main Authors Mahouche Chergui, Samia, Abbas, Nourredine, Matrab, Tarik, Turmine, Mireille, Bon Nguyen, Elisabeth, Losno, Rémi, Pinson, Jean, Chehimi, Mohamed M.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.06.2010
Elsevier
Subjects
Adsorption
Carbon
Carbon fiber reinforced plastics
Chemical Sciences
Copper
Fibers
Fibres
Polymerization
Radicals
Diazonium
Polymerization
Carbon fiber/polymer
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Summary:Cyclam-functionalized polyglycidyl methacrylate, grafted on carbon fibres (CF-PGMA-Cy) was prepared by atom transfer radical polymerization using aryl diazonium salt initiators. These adsorption maximum capacity of CF-PGMA-Cy fibres for Cu(II) was found to be 28.6 mg/g at pH 5.2 and the adsorption kinetics fitted to the pseudo-second order model. Cyclic voltammetry of the (CF-PGMA-Cy)-supported copper ions indicated true electrochemical stripping of Cu(II) with detection of as low as 2 pmol of adsorbed Cu 0. CF-PGMA-Cy fibres are thus efficient and reusable adsorbents that hold promises for the design of electrochemical sensors of metal ions.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2010.01.050