Producción Científica Profesorado

Electrochemical and AFM characterization of the electropolimerization of pyrrole over a graphiteepoxy resin solid composite electrode, in the presence of different anions



Alvarez Romero, Giaan Arturo

2006

Álvarez-Romero G. A., Garfias-García E., Ramírez-Silva M. T., Galán-Vidal C., Romero-Romo M., Palomar-Pardavé M., Electrochemical and AFM characterization of the electropolimerization of pyrrole over a graphiteepoxy resin solid composite electrode, in the presence of different anions, Applied Surface Science, 2006, Vol. 252, Núm 16, ISSN 0169-4332


Abstract


This work studied the process of electrochemical formation of polypyrrole, Ppy, over a graphiteepoxy resin composite electrode in the presence of different anions: DS?, NO3? and Cl?. It was shown by means of AFM that the morphological characteristics and the formation kinetics of the Ppy deposit, from analysis of experimental current density transients, are strongly dependent on the nature of the anion present. It was found that for all cases, the formation mechanism involves the simultaneous presence of adsorption and 3D nucleation, limited by diffusion of the different pyrrole oligomer species, processes.



Producto de Investigación




Artículos relacionados

Development of a Chloride Ion-Selective Solid State Sensor Based on Doped Polypyrrole-Graphite-Epoxy...

Sequential Injection Spectrophotometric Determination of Diclofenac in Urine and Pharmaceutical Form...

Magnetic solid phase extraction based on phenyl silica adsorbent for the determination of tetracycli...

Construction and Evaluation of a Gold Tubular Electrode for Flow Analysis: Application to Speciation...

Determination of primary amino acids in wines by high performance liquid magneto-chromatography

Facilitated transport of Hg(II) through novel activated composite membranes

Potentiometric behavior of graphite-epoxy electrochemical transducers towards anions, cations and pH...

Synthesis and crystal structures of cis-palladium(II) and cis-platinum(II) complexes containing dipy...

Potentiometric Behavior of Diverse Polypyrrolesulphate Films Electro Synthesized on Graphite Epoxy ...

Development of a novel composite sensor based on doped pyrrole selective to nitrate ions