Electrochemical Synthesis of Poly pyrrole-co-[Cu salabza ] : its Electrocatalytic Activity Towards the Oxidation of Catechol

Year 2016, Volume: 44 Issue: 4, 425 - 434, 01.11.2016

Süleyman Yalçınkaya Didem Çakmak

Abstract

This paper presents the study of the electrochemical synthesis of poly pyrrole-co-[Cu salabza ] and its app- lication to the electrocatalytic oxidation of catechol. The synthesis has been achieved by cyclic voltammetry CV technique on the platinum electrode in non-aqueous acetonitrile solution. The characterization of the copolymer was done by using FT-IR, UV-vis, CV, Scanning Electron Microscopy SEM , TG-DTA techniques. The SEM micrographs clearly indicate that the copolymer film has different structure from [Cu salabza ] and polyp- yrrole films. Moreover, electrochemical studies show that the copolymer film has good stability and electro ac- tivity. As well, the electrocatalytic studies show that the copolymer coating exhibited catalytic activity towards the oxidation of catechol.

Keywords

Copolymer, schiff base metal complexes, electrochemical techniques, catalytic activity

Poli Pirol-ko-[Cu salabza ] ’nın Elektrokimyasal Sentezi: Katekolün Oksidasyonunda Elektrokatalitik Aktivitesi

Abstract

B u makale, poli pirol-ko-[Cu salabza ] kopolimerinin elektrokimyasal sentezini ve onun katekol elektro katalitik oksidasyonu üzerindeki uygulamasını içermektedir. Sentez işlemi platin elektrot yüzeyine susuz ortamda asetonitril çözeltisinde dönüşümlü voltametri tekniği ile gerçekleştirilmiştir. Kopolimerin karakterizasyonu FT-IR, UV-vis, CV, taramalı elektron mikroskopu SEM , TG-DTA teknikleri kullanılarak yapılmıştır. SEM görüntüleri kopolimer filminin, [Cu salabza ] ve polipirol filmlerinden farklı bir yapıya sahip olduğunu açıkça göstermektedir. Bunun yanı sıra elektrokimyasal çalışmalar kopolimer filminin kararlılığının ve elektro aktivitesinin iyi olduğunu göstermiştir. Elektro katalitik çalışmalar kopolimer kaplamanın katekol oksidasyonu için katalitik aktiviteye de sahip olduğunu göstermiştir

Keywords

Kopolimer, schiff bazı metal kompleksleri, elektrokimyasal teknikler, katalitik aktivite

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