Showing papers in "Journal of Electroanalytical Chemistry in 1987"

TL;DR: In this article, the Pt + Ru binary catalyst has been developed which provides a simple way of obtaining a specific surface area (ca. 80 m2 g−1) more than 3 times larger than that obtained by conventional methods.

TL;DR: In this paper, the steady state current flow following the application of a dc voltage to cells of the form M|M+X−|M, where M is a binary solid electrolyte and X− is an electrode electroactive towards the M+ ions, is discussed.

TL;DR: In this article, a detailed experimental and mechanistic analysis of the elementary surface-chemical steps involved in the beginning stages of electrooxidation of Au is given with respect to the processes that occur on the (111) plane.

TL;DR: In this article, the enzyme kinetics and diffusion within conducting polymer film were investigated and the results were consistent with a model in which the hydrogen peroxide produced by the enzymatic reaction reacts at the electrode surface and not at the polymer itself.

TL;DR: In this article, a complex least squares fitting of small-signal frequency response data at various immittance levels is presented, and a number of actual equivalent circuits used in the past for both liquid and solid electrolytes are presented and compared.

TL;DR: In this article, the formation of couches monomoleculaires d'octadecyltrichlorosilane (OTS) and octadecylmercaptan (OM) was studied.

TL;DR: In this article, an approximate analytical treatment of the response of an amperometric enzyme electrode made in this way is presented, where appropriate expressions for the response is derived for the addition of substrate.

TL;DR: In this paper, the photoelectrochemical behavior of an electrode made of synthetic diamond has been studied for the first time and the photocurrent, differential capacity and dark current vs. potential curves have been measured on semiconductor diamond polycrystalline films on a tungsten substrate in contact with aqueous electrolyte solutions.

TL;DR: In this paper, the dependence of the intensities for surface-enhanced Raman scattering (SERS) at gold electrodes on the nature of the electrochemical roughening procedure is explored for the model adsorbates benzonitrile and thiocyanate in order to establish the optimal conditions for practical applications as well as to shed light on the fundamental factors involved.

TL;DR: In this paper, an anionic polyelectrolyte (PE, an immobilized polymer dopant) incorporated in Pyrrole was not released from the PPy matrix even when PPy was reduced electrochemically.

TL;DR: In this article, it was shown that 16O18O is evolved from a H216O solution on a Ru oxide layer previously formed in H218O using differential electrochemical mass spectrometry (DEMS).

TL;DR: In this article, the electrochemical and spectroscopic identification of the structure of the electroactive polymer poly(o-phenylenediamine), (PPD), which is prepared on electrode surfaces as a thin coating film by electropolymerization of o-PN in an acidic aqueous solution, was carried out.

TL;DR: In this article, a general scheme of oxygen reduction is given and analysis of the disk-ring measurements is performed, together with a re-evaluation of some well-accepted criteria which are shown to be misleading.

TL;DR: In this paper, a critical study is made of the mathematics needed to describe the current response towards a potential step perturbation of an electrode at which phase formation takes place by the process of nucleation and diffusion-controlled hemispherical growth.

TL;DR: In this article, a new reaction process of propylene carbonate (PC) decomposition is proposed, in which the PC decomposition reaction completes with the formation of the lithium intercalated compound (GIC).

TL;DR: In this paper, the nucleation and growth of polythiophene films on gold electrodes has been studied using potentiostatic steps and the mechanism has been deduced and estimates made of the kinetic parameters.

TL;DR: In this article, an extensive investigation of the direct (unmediated) electrochemical activity of various redox proteins at pyrolytic graphite electrodes has been undertaken, with the exception of the “blue” copper protein azurin, a profound preference for the hydrophilic “edge” over the halo-plane orientation of the graphite surface is observed.

TL;DR: In this paper, the in situ spectra in the visible region are presented as a function of the potential of the electrode, which can determine the level of doping of the polyaniline polymer.

TL;DR: In this article, the mass changes upon electrochemical reduction and oxidation of Prussian Blue films in the nitrate salts of K +, Rb +, and Cs + at pH 4, were measured.

TL;DR: In this article, the formation and oxidation of linear CO(a) from CH 3 OH and HCOOH on a platinum electrode in 0.5 M H 2 SO 4 has been studied by using in-situ polarization modulated infrared reflection-absorption spectroscopy as a function of the electrode potential.

TL;DR: In this article, the mechanism of polyaniline formation is rediscussed in view of the reaction of C6H5NH+ with aniline, which follows a pseudo-first-order kinetics and also results in the formation of a polymer with at least two non-equivalent structures.

TL;DR: In this paper, cyclic voltammetry has been used to study the electrochemical reduction process of three heteropolyanions, two of them having the Keggin structure and the third one having a Dawson structure.

TL;DR: In this article, the poison formed from methanol dissociation at platinum is studied electrochemically using as electrocatalysts eleven platinum single-crystal planes and one polyonented surface.

TL;DR: In this article, a general simplified formulation of two coupled partial derivative equations is presented for situations corresponding to achievement of quasi-steady state behavior, which is shown to be directly transposable to electrodes of spherical geometry under steady-state conditions.

TL;DR: In this paper, an exact solution for the limiting current of a metal complex system for which the diffusion coefficients of the free and complexed metal are different is derived in the Laplace domain and holds for a stationary planar electrode under conditions of an excess of ligand.

TL;DR: In this paper, the state of the halogen and the water at the electrode/electrolyte interface was analyzed to obtain information about the performance of adsorption of Br on Age (110).

TL;DR: The dependence of the adsorbed layer formed at a platinum electrode on the bulk concentration of methanol has been investigated using Electrochemically Modulated Infrared Reflectance Spectroscopy (EMIRS).

TL;DR: In this article, the cyclic potential sweep (CPS) technique was applied to deposition of electroactive polymers and tested on polythiophene (PT) and polypyrrole (PP) both in acetonitrile, and polyaniline (PANI) in sulfuric acid.