Showing papers in "Electrochemistry Communications in 2000"

TL;DR: In this article, the effect of light intensity on the generation efficiency of active oxidative species was examined by measuring the fluorescence derived by the reaction with either coumarin or terephthalic acid.

TL;DR: In this article, a novel charge extraction method was developed to study the transport, trapping and back reaction of photogenerated electrons in dye sensitised nanocrystalline cells (Gratzel cells).

TL;DR: In this paper, the conductivity of polybenzimidazole (PBI) films was shown to be in the 5 × 10−5−10−1 S/cm−1 range, depending on the type of alkali, the time of immersion in the corresponding base bath and the temperature of immersion.

TL;DR: In this paper, the Gibbs energy of ion transfer between aqueous and nonpolar aprotic solvents was investigated with a three-electrode potentiostat.

TL;DR: Bismuth film electrodes are shown to be very attractive alternatives to common mercury electrodes used for adsorptive stripping voltammetric measurements of trace nickel in the presence of the dimethylglyoxime complexing agent as discussed by the authors.

TL;DR: In this article, the initial stage of gold oxide layer formation on the gold electrode surface was investigated in 0.5 M H2SO4 and it was found that gold anodic polarization in the E range from ∼1.3 to 2.1 V causes an increase in intensity of the XPS spectra at an electron binding energy eb=85.9 eV for gold and at eb=530 eV to correspond to Au3+ and O2− oxidation states in hydrous or anhydrous gold oxide.

TL;DR: In this paper, the electrochemical behavior of three groups of electrolyte systems having the ability of electrochemical magnesium deposition, were investigated against the background of galvanotechnical or battery application.

TL;DR: In this paper, the size effect of ultrafine platinum particles supported on a carbon material for the electrocatalytic oxidation of methanol has been examined by a model catalyst method, and it was shown that the specific activity of the reaction per real surface area of the platinum particles decreases with a decrease in the platinum particle size.

TL;DR: The changes observed on Pt surfaces during a potential incursion into the underpotentially deposited (UPD) hydrogen and double layer ranges (0.05 to 0.8 V versus HESS) were analyzed in perchloric, sulfuric, phosphoric and hydrochloric acid media as mentioned in this paper.

TL;DR: In this article, solid electrolyte interphase (SEI) film formation on graphite electrodes was studied on highly oriented pyrolytic graphite (HOPG) in nonaqueous electrolyte by in situ electrochemical atomic force microscopy (AFM).

TL;DR: In this article, the effect of the supporting electrolyte on halide/silver interactions in acetonitrile media was investigated by means of a systematic reactivity study on Ag, Hg and glassy carbon cathodes, with a variety of substrates.

TL;DR: In this article, the problem of whether the electrochemical transfer in the doping of conducting polymer electrodes must be described as a macroscopic resistance localised at the outer boundaries of the polymer layer, or by a distributed process inside the film region was investigated.

TL;DR: In this paper, the properties of poly(3,4-ethylenedioxythiophene) (PEDT) film have been studied in iodide solutions by cyclic voltammetry and stripping voltammetric methods.

TL;DR: In this article, a three-electrode potentiostat involving positive feedback compensation of ohmic drop is used to investigate nanosecond time scales by allowing the recording of drop-free voltammograms at scan rates of a few megavolts per second.

TL;DR: In this paper, the reversible capacity of common natural graphite modified by catalytic oxidation can serve as an anode material for lithium ion batteries with above-theoretical capacity of graphite.

TL;DR: In this paper, the deposition behavior of sulfur, selenium, tellurium and bismuth on the Pt(775) surface has been studied by cyclic voltammetry.

TL;DR: In this article, polyaniline nanoparticles were prepared on a highly oriented pyrolytic graphite (HOPG) surface using a pulsed potentiostatic method.

TL;DR: The effect of the cooling atmosphere on the rate of CO adlayer oxidation on flame-annealed Pt(111) has been studied in this paper, where three voltammetric peaks were observed for subsaturated CO ad layer oxidation on Pt(1), cooled in Ar+H2 mixture, while only two peaks developed in the case of a Pt(2) surface cooled in air.

TL;DR: In this article, an EDOT derivative with hydroxymethyl and oligo(oxyethylene) groups covalently attached at the ethylenedioxy bridge has been synthesized.

TL;DR: In this paper, the authors performed an in situ X-ray diffraction study on a Li 1−xCoO2 cathode in a Li|Li1−xCOO2 cell, which was charged at a C/10 rate from 3.5 to 5.2 V.

TL;DR: The crown heteropolyanion K 28 Li 5 H 7 P 8 W 48 O 184 ·92H 2 O is stable in a large pH domain, roughly from 0 through pH 8 as discussed by the authors.

TL;DR: In-situ X-ray diffraction data showed that the InSb zinc-blende framework is unstable to extensive reaction with lithium; In is extruded from a fixed Sb lattice during discharge and is partially incorporated back into the lattice for recharging as discussed by the authors.

TL;DR: In this article, a general equation for the potentiostatic transient for the case of electrochemical nucleation with diffusion-controlled growth has been published, which is a correction to the model of Scharifker and Mostany.

TL;DR: In this paper, carbon-supported Pt:Ru electrocatalysts, mainly for application in polymer electrolyte fuel cells, have been prepared by different methods and tested in single cells with respect to the hydrogen-oxidation reaction in the presence of CO.

TL;DR: In this article, the electrochemical properties of a screen-printing planar RuO2 electrode have been studied by means of cyclic voltammetry, and the amperometric measurement of ascorbic acid at 100 mV on a RuO 2 electrode shows fast response and good linearity in the 0-4 mM range.

TL;DR: This is the first demonstration of the spatial relationship between enzymes in a multi-enzyme system influencing the response of the resultant enzyme electrode, according to linear range, sensitivity and hence gain.

TL;DR: In this paper, the authors used the continuity equation to analyze the photocurrent, photocharge and photovoltage transients of dye-sensitised nanocrystalline solar cells.

TL;DR: In this article, the induced codeposition of molybdenum with nickel on a Ni-Cu alloy electrode has been investigated by means of in situ surface Raman spectroscopy to obtain information about the co-position mechanism during electrodeposition of Ni-Mo alloys.

TL;DR: A new ion-channel biosensor based on supported bilayer lipid membrane for direct and fast detection of Campylobacter species showed a very good sensitivity and selectivity to Campylabacter species.

TL;DR: In this article, the electrodeposition of lead dioxide onto Au and Ti substrates was anodically executed at 65°C and the electrochemical characteristics and the mechanism in the PbO2 films deposition were investigated by the using an in-situ electrochemical quartz crystal microbalance, cyclic voltammogram, and chronoamperometry experiments.