کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6615665 | 459622 | 2013 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electrosynthesized iridium oxide-polymer nanocomposite thin films for electrocatalytic oxidation of arsenic(III)
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Electrosynthesized iridium oxide-polymer nanocomposite thin films for electrocatalytic oxidation of arsenic(III) Electrosynthesized iridium oxide-polymer nanocomposite thin films for electrocatalytic oxidation of arsenic(III)](/preview/png/6615665.png)
چکیده انگلیسی
Nanocomposite materials have been synthesized by electrodeposition of iridium oxide nanoparticles into poly(pyrrole-alkylammonium) films coated by oxidative electropolymerization of a pyrrole-alkylammonium monomer onto carbon electrodes, and characterized by electrochemistry in aqueous electrolytes and by transmission electron microscopy. Iridium oxide-based nanocomposite electrode materials appeared efficient electrocatalysts for the oxidation of arsenic(III) into arsenic(V) species at low potentials, i.e. in the 0.3-0.7Â V vs. Ag/AgCl range, and over a large pH range. Bulk electrocatalytic oxidation of arsenite solutions could be performed in the presence of a water-soluble poly(quaternary ammonium) salt acting as the supporting electrolyte and also as an As(V) complexing agent, which allowed the combination of electrocatalytic oxidation of As(III) with the liquid phase polymer-assisted retention (LPR) technique to efficiently remove arsenic from polluted solutions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochimica Acta - Volume 110, 1 November 2013, Pages 465-473
Journal: Electrochimica Acta - Volume 110, 1 November 2013, Pages 465-473
نویسندگان
Juan Francisco Rivera, Isabelle Pignot-Paintrand, Eduardo Pereira, Bernabé L. Rivas, Jean-Claude Moutet,