Showing papers in "Journal of Electroanalytical Chemistry in 2010"

TL;DR: In this article, the kinetics of the OER proceeding on anodic passive oxides of iron, cobalt and nickel are probed using steady state polarisation to ascertain values of the Tafel slope, b, and the OH− ion reaction order, m OH -.

TL;DR: In this article, a multiwall carbon nanotubes modified electrode was prepared using ferrocenedicarboxylic acid as a mediator to use as an amperometric sensor for the simultaneous determination of 6-thioguanine and folic acid.

TL;DR: An improved electrodeposition-annealing route for preparing films of the Kesterite Cu2ZnSnS4 (CZTS) for thin film solar cell absorber layers is demonstrated in this paper.

TL;DR: In this paper, the electrochemical reduction of oxygen was studied on vertically aligned N-doped carbon nanotube (NCNT) modified glassy carbon (GC) electrodes in 0.5 m H2SO4 and 0.1 m KOH solutions using the rotating disk electrode (RDE) method.

TL;DR: In this article, the current due to the ORR and hydrogen oxidation reaction (HOR) on Pt and Pt alloys in aqueous electrolyte was measured and the Tafel slope was determined incorrectly when failing to correct for Ohmic drop.

TL;DR: In this article, the basic mechanisms of electrical double layer formation in ionic liquids near a flat charged wall were investigated by performing Monte Carlo simulations of several model liquids with spherical and elongated ions that contain charged heads and neutral tails.

TL;DR: In this paper, a chemical successive ionic layer adsorption and reaction (SILAR) method has been developed for the deposition of Mn3O4 thin films, which showed ideal capacitive behavior after potential cycling within the range of -0.1 to +0.9 V/SCE in a 1 M Na2SO4 electrolyte.

TL;DR: In this article, the authors compared the behavior of unsupported platinum nanoparticles and 2.5-nm nanoparticles on carbon with different platinum loadings (from 10% to 50%) and showed that the nanoparticles retain most of their individual physical identity and significant loss of active surface area does not take place.

TL;DR: In this article, Sb-doped SnO2 electrodes (TiO2-NTs/SnO2Sb) were characterized using field-emission scanning electron microscopy (FE-SEM) using anodization, electrodeposition and annealing.

TL;DR: In this paper, the influence of chemical pretreatment of carbon support for oxygen reduction on palladium nano-particles in acidic electrolyte was studied by using X-ray photoelectron spectroscopy (XPS).

TL;DR: In this paper, four IrO2-based electrodes (Ti/Ta2O5-IrO2, Ti/SnO2O2)-O2 and Ti/RuO2−O2) were fabricated using the thermal decomposition method using scanning electron microscope (SEM) and X-ray energy dispersive spectrometry (EDS).

TL;DR: In this paper, a voltammetric methodology to determine the standard Gibbs energy of transfer of highly hydrophobic and hydrophilic ions has been developed, which is validated using ions with known thermodynamic data.

TL;DR: In this article, the diffusion coefficients of both ferrocene and ferrocenium (Fc +) in acetonitrile containing 0.1 M tetra-n-butylammoniumperchlorate (TBAPF6) or 0. 1 M tetrasn-methanehexafluorophosphate (TBPF6), were determined using the technique of double potential step chronoamperometry at a microdisk electrode.

TL;DR: In this article, a nonenzymatic amperometric glucose sensor was fabricated based on the electrocatalytic oxidation of nanoporous gold (NPG) toward glucose, which showed a quick and sensitive response to glucose.

TL;DR: In this paper, a combined two-step process consisting in the electrochemical coagulation with iron anodes and electrochemical oxidation with boron-doped diamond anode (BDD) was developed for the treatment of a real carwash wastewater.

TL;DR: In this paper, a Nafion/multi-wall carbon nanotubes (MWNTs) composite film-modified electrode was fabricated and applied for the sensitive and selective determination of caffeine.

TL;DR: In this paper, the effects of Mg doping on the characteristics of Li2FeSiO4 were investigated, and it was shown that Mg2+ has been doped into the structure of Li 2 Fe 0.97Mg 0.03SiO 4 without destroying its lattice structure.

TL;DR: In this paper, a dye solution containing acid red 17 (AR17) by photoelectro-Fenton (PEF) combined with photocatalytic process was studied, where carbon nanotube-polytetrafluoroethylene (CNT-PTFE) electrode was used as cathode.

TL;DR: In this article, the dynamics of trapping coupled with charge transfer is analyzed in the frequency domain for a model of the dye-sensitized solar cell, and the steady state occupations of the surface state and the resulting recombination currents are solved based on the assumption of detailed balance.

TL;DR: In this paper, the authors used an open, undivided and cylindrical glass cell in the presence of sulfate electrolyte media with a carbon nanotube-polytetrafluoroethylene (CNT-PTFE) electrode as cathode.

TL;DR: In this article, the electrochemical behavior of rutin on a gold nanoparticles/ethylenediamine/multi-wall carbon nanotubes modified glassy carbon electrode (AuNPs/en/MWNTs/GCE) was investigated and the electrochemodynamic parameters of Rutin were calculated.

TL;DR: In this paper, the cyclic voltammograms of a silica sheathed tungsten disc (W-SiO2) electrode in molten CaCl2 at 900°C exhibited an unusually increasing reduction current with decreasing the potential scan rate.

TL;DR: In this article, the anodic oxidation of a real carwash wastewater has been comparatively studied using lead dioxide (PbO2) and boron-doped diamond (BDD) anodes in an electrolytic flow cell.

TL;DR: In this paper, a multi wall carbon nanotubes (MWCNT) modified glassy carbon electrode (GCE) was prepared by casting MWCNT suspension on the surface of the GCE.

TL;DR: Ferrocene derivatives were π-stacked or covalently grafted onto a film of carbon nanotubes (CNTs) in order to determine the most effective method to immobilize redox centres on those high surface area electrodes for sensors or catalytic applications as discussed by the authors.

TL;DR: In this article, the initial stages of selenium electrodeposition onto SnO2 coated glass substrates were studied using cyclic voltammetry and chronoamperometry. And they showed that at low overpotential, the deposition of Se proceeds by a four-electron reduction of Se(IV) to Se(0) and a 2D growth under instantaneous nucleation followed by a multilayer spiral growth mode.

TL;DR: In this paper, a cytochrome c (Cyt c ) electrochemical biosensor constructed by immobilization of the biomolecule on a hybrid material consisting of the conducting polymer poly-(3-methylthiophene) (P3MT) and multi-walled carbon nanotubes (MWCNT) is reported.

TL;DR: In this paper, a novel polymer electrode in the form of a thin film was prepared by electrochemical copolymerization of thiophene, thiophen-3-acetic acid, and dicyclopentadienyl iron-1,4-dienylmethyl-2-(thiophen 3-yl)acetate, for fabricating GOx-immobilized electrodes for amperometric sensing of glucose.

TL;DR: In this paper, the use of electrochemical process for the total mineralization of water contaminated with organophosphorus pesticides like chlorpyrifos was studied under galvanostatic polarization mode using Nb/PbO 2 anodes and graphite carbon bar as cathode.

TL;DR: A mathematical model of amperometric and potentiometric biosensor is developed in this paper based on system of reaction-diffusion equations containing a non-linear term related to Michaelis-Menten kinetics of the enzymatic reaction.