Showing papers in "Journal of Electroanalytical Chemistry in 2006"

TL;DR: A review of the literature on the aqueous reduction of CO2 to hydrocarbons at copper electrodes is provided in this article, covering the literature since the first report of the reaction in 1985.

TL;DR: In this paper, the authors present results of X-ray scattering measurements using synchrotron radiation on a Ni(1 1 1/1) single crystal electrode in 1M KOH.

TL;DR: In this article, the oxygen reduction reaction (ORR) was studied in KOH electrolyte on different manganese oxides, dispersed on a carbon powder (MnOx/C).

TL;DR: In this article, a novel voltammetric method using the PEDOT (poly(3,4-ethylenedioxy)thiophene) modified electrode was developed for simultaneous measurement of various combinations of dopamine (DA) and ascorbate anion (AA).

TL;DR: In this paper, the authors showed that in CO-free solutions, the maximum coverage is θCO = 0.68 and that higher coverages can only be achieved in the presence of CO in the solution.

TL;DR: In this paper, a carbon nanotube network is used as a conductive, transparent and flexible backbone structure for electrochemically deposited polyaniline, which is sensitive to pH allowing the determination of pH values ranging from pH 1 to 13.

TL;DR: In this paper, the effect of hydrogen codeposition on the morphology of copper electrodeposits was studied and the dependences of the overall current and the volume of evolved hydrogen on the quantity of electricity used were plotted and the average current efficiencies of the evolved hydrogen were derived from them.

TL;DR: In this article, gold, silver and gold-silver alloy nanoparticles capped with decanethiolate monolayer shells (DT-Au, DT-Ag and DT -Au/Ag) were synthesized, with core sizes 2.3 (± 1.0), 3.3(±1.0) and 2.0(± 1)nm, respectively.

TL;DR: A simple and reliable method based on electrochemical technique at β-cyclodextrin incorporated carbon nanotubes-modified electrodes (β-CD-CNT/E) was proposed for simultaneous or individual determination of guanine and adenine.

TL;DR: In this article, the structure and electrochemical properties of pure and mixed monolayers of 3-mercaptopropionic acid (MPA) and 11mercaptoundecanoic acid self-assembled on a gold disk electrode (AuE) have been investigated by electrochemical impedance spectroscopy (EIS) in electrolytes containing a one-electron redox couple.

TL;DR: In this article, a stable modified glassy carbon electrode with oracet blue (OB) has been fabricated and its electrochemical behavior was investigated by cyclic voltammetry, which showed electrocatalytic activity toward dopamine oxidation in phosphate buffer solution (pH 8.0) with a diminution of the overpotential of about 220 mV and an increase in peak current.

TL;DR: In this article, a carbon nanotube based gas sensor array was developed for discriminating gases and vapors, which was composed of 32 sensing elements with nanomaterials, e.g. pristine single walled carbon Nanotubes (SWNTs), and SWNTs with different metal dopants and polymer coatings.

TL;DR: In this article, it was shown that the oxide growth behavior is influenced by the experimental conditions, such as Ep, tp, and T, and in general the higher Ep and/or longer tp and or higher T, the thicker the oxide layer.

TL;DR: In this article, the intrinsic electrocatalytic performance of copper powders for the reduction of nitrate is largely improved by the ball milling treatment, and the Cu powder milled under air exhibits a nitrate reduction rate 10 times higher than the one measured on Cumilled under argon, likely because of the occurrence of more surface defects that may favor the nitrate adsorption onto the electrode.

TL;DR: In this article, it was shown that Fe 2 (bdt)(CO) 6 (1 ) (BDt=benzenedithiolate) exhibits a chemically reversible two-electron reduction at −1.27 V vs. Fc +/0 in CH 3 CN+Bu 4 NPF 6 electrolyte.

TL;DR: In this paper, the electrochemistry of Gd(III) was studied at W and Al electrodes in the molten LiCl-KCl eutectic at temperatures ranging from 673 to 823 K. Experimental current time transients followed the theoretical models based on instantaneous nucleation with three dimensional growth of the nuclei whatever the applied overpotential.

TL;DR: In this paper, cyclic voltammetry in the room temperature ionic liquid 1-butyl-2,3-dimethylimidazolium bis(trifluoromethylsulfonyl)imide [C 4 dmim][N(Tf) 2 ] on a gold microelectrode was used to study the reduction of nitrobenzene and 4-nitrophenol.

TL;DR: In this paper, the NiODMG-modified Ni electrode was used as an efficient catalyst for the electrooxidation of methanol in alkaline medium via Ni(III) species formed on the electrode with the cross exchange reaction occurring throughout the film at a low concentration of methenol.

TL;DR: In this paper, a comparative study on the catalytic activity for ethanol oxidation of electrodeposited platinum and platinum-rhodium alloys has been carried out, where Voltammetry, polarisation study and electrochemical impedance spectroscopy were used for the characterization of the electrodes.

TL;DR: In this article, the voltage-metric behavior of isoniazid (INZ) at an overoxidized polypyrrole (OPPy) modified glassy carbon electrode was investigated.

TL;DR: The electrochemical reduction of oxygen has been studied on multi-walled carbon nanotubes (MWCNTs) modified highly oriented pyrolytic graphite (HOPG) electrodes in 0.1 M KOH solution using the rotating disk electrode (RDE) technique.

TL;DR: In this article, a new type of poly(toluidine blue O)/multiwall carbon nanotube (PTBO/MWNTs) composite nanowires was fabricated by two steps: first, the TBO monomer was assembled onto MWNTs to form TBO andMWNT's adduct, and then the obtained TBO/WNTs adduct was electropolymerized on a glassy carbon electrode (GCE) surface by cyclic voltammetry.

TL;DR: In this article, the relationship expressing the electrochemical rate constant as a function of the electrode potential is derived. And procedures for estimating this factor, and accordingly, the H/D kinetic isotope effect are described.

TL;DR: In this paper, it is shown that it is possible to control the electrical conductivity of non-polar liquids such as kerosene using substances that are normally presumed to be non-dissociating and electrically neutral.

TL;DR: In this article, a ternary SnO 2 O 2 -IrO 2 -Ta 2 O 5 composites have been studied as promising electrocatalytic materials for oxygen evolution reaction (OER) in acid water electrolysers.

TL;DR: In this paper, the authors investigated the intermediate and mechanism of electrooxidation of hydrogen (HOR) on Pt electrode by in situ infrared spectroscopic method utilizing the ATR-SEIRAS (Surface Enhanced Infrared Absorption Spectroscopy) mode.

TL;DR: In this article, the authors studied the sensitivity of the ammonia oxidation towards Pt(1/0/0) sites as well as the presence of a poison formed during the oxidation that blocks the surface.

TL;DR: In this paper, an electrode based on Ebonex-supported platinum electrocatalyst applied on rotation Au disk electrode (Au/Ebonex/Pt) was analyzed by TEM technique.

TL;DR: In this article, a new method is developed for the catalytic oxidation of uric acid at graphite-zeolite-modified electrode doped with iron (III) (Fe 3+ Y/ZCME).

TL;DR: In this paper, a simple and extremely effective method to chemically grafting o -aminophenol film ( o -AP) onto glassy carbon (GC) electrode by the electrochemical reduction of the corresponding nitrophenyl diazonium salt in acidic aqueous solution for the electrocatalytic detection of hydrazine was reported.