Showing papers in "Journal of Electroanalytical Chemistry in 1973"

TL;DR: In this article, the problem of the initial stages of Pt surface oxidation below a monolayer of electrosorbed OH (1 e per Pt atom), even on single crystal faces, is examined.

TL;DR: In this paper, the charge required to oxidize the strongly bound intermediate on Pt electrodes in 1 M H2SO4 is determined from sweep measurements extrapolated to infinite speed, and from the oxidation of the intermediate in the absence of bulk reaction using a dipping technique.

TL;DR: In this article, the formal kinetics of systems involving kinetics control by the initial charge transfer step and/or secondary chemical reactions are derived for the following reaction schemes: first order deactivation, consecutive dimerization, e.g. disproportionation.

TL;DR: In this paper, a convolution potential sweep voltammetry (CPSV) method is proposed for processing the data obtained by linear sweep voltageammetry, which consists in calculating directly from the experimental data the convolution integral of the current time function with the function t − 1/2.

TL;DR: In this article, the dual path mechanism for HCOOH oxidation has been verified and the ability of Pt, Rh, Ir and Au to adsorb reaction intermediates in varying degrees has been demonstrated.

TL;DR: In this paper, the authors reviewed recent work on the oxidation of formic acid on noble metal electrodes in aqueous solution at room temperature and concluded that detailed studies of the mechanism are necessary for each electrode material.

TL;DR: The role of the cristalline superficielle d'electrodes planes d'argent dans leur comportement electrochimique is investigated in this article.

TL;DR: In this article, a short review concerning the definition of the electrosorption valency γF = (∂μh/∂Δϑ)Г = −(∂qm/ ∂Г)Δπ is given.

TL;DR: In this paper, the potential cycling sequences on low surface area Pt sheets, intermediate surface area unsupported Pt blacks, and high surface area powder Pt on graphitized carbon electrocatalysts were compared.

TL;DR: In this article, cyclic voltammetric investigations of copper electrodes in aqueous KOH were carried out systematically, and nine peaks on the voltammograms were analysed as stated in the Conclusions section.

TL;DR: In this article, the deposition and stripping behavior of mercury on a rotating glassy carbon disk electrode has been studied in nitric acid, thiocyanate and ammonium chloride media.

TL;DR: In this paper, the role played by proton transfer reactions in the formal kinetics of electrohydrodimerization processes is discussed, and the effects of the protonations of the various basic species generated at the electrode or through solution electron transfers are considered successively.

TL;DR: In this paper, the theory of convolution potential sweep voltammetry is extended to the case of two consecutive equal Nernstian waves and a procedure for determining the standard potential separation for closely spaced and fused waves is derived and discussed.

TL;DR: In this article, the interference of solution electron transfer, as well as electrode electron transfer in radical-substrate electrochemical coupling mechanisms is studied as a particular case of the e.c. vs. disproportionation problem.

TL;DR: In this article, various reaction mechanisms are considered which can quantitatively, or otherwise, explain the resolvable stages in the formation and reduction of Pt surface oxide demonstrated in Parts I and II.

TL;DR: In this article, the potential separation between successive electron transfers in a series of di- and polynitro-compounds is measured using convolution potential sweep voltammetry as a function of temperature in acetonitrile and dimethylformamide.

TL;DR: In this article, a study of faradaic admittance versus frequency measurements based on Fourier analysis of the response to multiple-frequency test signal waveforms is presented, where data are acquired using complex periodic signals, almost periodic signals; transient inputs; and bandwidth-limited white noise.

TL;DR: In this paper, the authors calculated the entropy of formation of the mercury-aqueous solution interface from double layer and interfacial tension measurements, and found that the entropy passed through a maximum value at a cathodic polarization, indicating a natural orientation at the point of zero charge of the water molecules with the oxygen atom pointing towards the metal.

TL;DR: In this paper, a micro-electrode placed in the thin electrolyte film above the solution meniscus, limiting diffusion current values, an order of magnitude higher than the values obtained on rotating disk electrodes, was realized.

TL;DR: In this article, the capacity of the inner layer has been also determined at constant amount adsorbed, and hypotheses have been made on the detailed structure of inner layer in the presence of ACN.

TL;DR: In this article, perovskite oxide catalysts enable the paramagnetic oxygen molecule to be chemisorbed side-on, which can then result in dissociative chemistry.

TL;DR: In this paper, a formalism for quantitative consideration of discreteness-of-charge (self-atmosphere) effects in electrode kinetics is presented, and the predictions of the model are discussed with respect to data presented in the recent literature.

TL;DR: The article as mentioned in this paper analyzes thermodynamique des courbes capacite differentielle-potentiel de l'electrode d'or and permet de calculing la densite de charge correspondant aux anions adsorbes specifiquement.

TL;DR: In this article, the mechanism of the reductive coupling of activated olefins in solvents of low acidity (acetonitrile, dimethylformamide, alkaline ethanol) is studied in a series of 13 compounds.

TL;DR: In this article, a linear dependence of log i o on Φ, the work function of the metal, first indicated by Bockris and his group for noble metals, is confirmed in this work also for low-Φ metals which usually form anodic oxide films.

TL;DR: In this article, the current status of the electrical double layer at the electrode-solution interface is reviewed with emphasis on recent progress and residual problem areas, and a review of recent progress is given.

TL;DR: In this paper, an exact equation for planar and convex spherical electrodes was derived, which relates the flux of a solute at an electrode surface to the solute concentration there.

TL;DR: In this paper, the interactions of Pt and Hg have been studied using a Pt ring-disk electrode, and the surface species Pt2Hg and Pt-Hg exist for less than one monolayer coverage.

TL;DR: In this paper, the electrooxidation of hydrazine was studied in acid and alkaline supporting electrolytes using mixtures containing 15NH2−15NH2 and 14 NH2−14NH2.