Three-dimensional nucleation with diffusion controlled growth

Scharifker, B.R.; Mostany, Jorge

doi:10.1016/0022-0728(84)80207-7

Cited by 624 publications

(480 citation statements)

References 13 publications

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“…Here I will mention only the pioneering work of Erdey-Gruz and Volmer [31], who were the first to notice that nuclei of the new phase were formed on some preferred sites on the electrode surface, the work of Fleischmann and Thirsk [32], who considered the case of equally active sites and the works of Kaischev and Mutaftschiev [33], Markov et al [34][35][36] and Fletcher et al [37][38][39][40][41][42], who examined the nucleus formation on active sites with different activities with respect to the process of nucleus formation. Attention should be paid also to the works of Sharifker and Mostany [43], Sluyters-Rehbach et al [44,45], Mirkin and Nilov [46], Heerman and Tarallo [47][48][49][50] and Danilov et al [51][52][53], who contributed essentially to this very important subject, too (see also Ref. [30] and the references cited therein).…”

Section: Non-stationary Nucleation Kineticsmentioning

confidence: 99%

Nucleation phenomena in electrochemical systems: kinetic models

Milchev

2016

ChemTexts

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The classical thermodynamics allow deriving theoretical expressions for the nucleation work and for the size of the critical nuclei in a supersaturated system. However, information on the rate of nucleus formation should be determined by means of kinetic considerations. This article sheds light on the nucleation kinetics in electrochemical systems at a constant thermodynamic supersaturation Dl. Theoretical expressions are derived for the stationary and non-stationary nucleation rate.

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Section: Non-stationary Nucleation Kineticsmentioning

confidence: 99%

Nucleation phenomena in electrochemical systems: kinetic models

Milchev

2016

ChemTexts

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“…Nevertheless, to assure this, and due to the fact that the occurrence of a 3D process in electrodeposition has been widely reported in the literature, a non dimensional analysis accounting for a 3D growth process has also been carried out. This analysis is made according to equations (3) [23][24][25] and is shown in Figure 8. The experimental curves lie in between those corresponding to instantaneous nucleation (IN) and progressive nucleation (PN), but curve (2) in Figure 8 is closer to progressive nucleation, even though it does not fit the theoretical curve perfectly, especially at the very beginning of the transient.…”

Section: Analysis Of the I-t Transients (Figures 4 And 5) Indicates Tmentioning

confidence: 99%

Effect of tartaric acid in the electrodeposition of zinc

Torrent‐Burgués

Guaus

2007

J Appl Electrochem

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The electrodeposition of zinc from sulphate-tartrate baths on a vitreous carbon electrode has been studied. The influence of the tartrate ion on the reduction kinetics of Zn(II) metal ion, and on the mechanism of the electrodeposition process, has been investigated using potentiodynamic and potentiostatic electrochemical techniques and scanning electron microscopy. The voltammetric analysis has shown that the presence of tartrate species in the sulphate bath shifts the reduction potential of Zn(II) to more positive values. A set of equilibria have been proposed to represent the electrochemical process and the influence of pH. From the analysis of the chronoamperometric transients and the SEM images, an instantaneous nucleation with 2D growth at the initial stages has been proposed, and a nucleus density of the order of 10 9 cm -2 has been calculated from both techniques. In order to elucidate the correct mechanism of the electrodeposition process the results obtained from chronoamperometric transients must be corroborated by those of direct observation using microscopic techniques.2

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“…8) The studies of the potentiostatic current transient of the electrochemical nucleation and growth have been carried out by Gunawardena, Scharifker, Astley, and Hills et al [8][9][10][11][12][13][14] Valderrama et al 15) studied the electrodeposition of indium thin films on Mo/Cu substrates using chronoamperometry. They applied their results to the electrocrystallization theories developed by Scharifker et al [8][9][10] and observed that the nucleation of indium on Mo/Cu was adjusted to a three-dimensional growth under instantaneous nucleation limited by diffusion. Huang et al 16) observed a two-step film growth behavior during the electrodeposition of indium on copper substrates and proposed a hypothesis involving the Cu-In interdiffusion and the Cu-In alloy formation.…”

Section: 4)mentioning

confidence: 99%

Nucleation Process of Indium on a Copper Electrode

Chung¹,

Lee²

2013

Journal of Electrochemical Science and Technology

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:The electrodeposition of indium onto a copper electrode from an aqueous sulfate solution containing In 3+ was studied by means of cyclic voltammetry and chronoamperometry. Reduction and oxidation of indium on copper were investigated by using cyclic voltammograms at different negative limiting potentials and at different scan rates in cumulative cycles. Cyclic voltammograms indicated that reduction and oxidation processes of indium could involve various reactions. Chronoamperometry was carried out to analyze the nucleation mechanism of indium in the early stage of indium electrodeposition. The non-dimensional plot of the current transients at different potentials showed that the shape of the plot depended on the applied potential. The nucleation of indium at potential step of −0.6~−0.8 V was close to progressive nucleation limited by diffusion. However the nondimensional plot of current transients for the indium nucleation showed different behaviors from theoretical curves at the potential step lower than −0.8 V.

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Three-dimensional nucleation with diffusion controlled growth

Cited by 624 publications

References 13 publications

Nucleation phenomena in electrochemical systems: kinetic models

Nucleation phenomena in electrochemical systems: kinetic models

Effect of tartaric acid in the electrodeposition of zinc

Nucleation Process of Indium on a Copper Electrode

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