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2010•Unpublished venueRequires access

Electrochemical Synthesis and Characterization of Ti Modified Electrodes with Polypyrrole - Polyethylene Glycol Hybrid Coating

Simona Popescu, Cristian Pîrvu, Mihaela Mîndroiu, Claudiu Constantin Manole, Ioana Demetrescu

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Abstract

The preparations and characterization of polypyrrole – polyethylene glycol (PPy-PEG) films are reported in this paper. The composite films were synthesized by electrochemical method in 0.2 mol·L-1 Py and 5% PEG in 0.2 mol·L-1 oxalic acid. The electrochemical behaviour of PPy and PPy-PEG coatings has been investigated in phosphate buffer solution (PBS) by cyclic voltammetry, Tafel plots and electrochemical impedance spectroscopy. The surface topography and the roughness were checked by atomic force microscopy.

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What this paper is about

The preparations and characterization of polypyrrole – polyethylene glycol (PPy-PEG) films are reported in this paper. The composite films were synthesized by electrochemical method in 0.2 mol·L-1 Py and 5% PEG in 0.2 mol·L-1 oxalic acid. The electrochemical behaviour of PPy and PPy-PEG coatings has been investigated in phosphate buffer solution (PBS) by cyclic voltammetry, Tafel plots and electrochemical impedance spectroscopy. The surface topography and the roughness were checked by atomic force microscopy.

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Available abstract

The preparations and characterization of polypyrrole – polyethylene glycol (PPy-PEG) films are reported in this paper. The composite films were synthesized by electrochemical method in 0.2 mol·L-1 Py and 5% PEG in 0.2 mol·L-1 oxalic acid. The electrochemical behaviour of PPy and PPy-PEG coatings has been investigated in phosphate buffer solution (PBS) by cyclic voltammetry, Tafel plots and electrochemical impedance spectroscopy. The surface topography and the roughness were checked by atomic force microscopy.

Key concepts: Polypyrrole, Polyethylene glycol, Cyclic voltammetry, Dielectric spectroscopy, Materials science, Tafel equation, PEG ratio, Electrochemistry

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