Correlation between crystal structure and morphology of potentiostatically electrodeposited silver dendritic nanostructures

Avramović, Ljiljana; Ivanović, Evica R.; Maksimović, Vesna; Pavlović, Miroslav M.; Vuković, Marina; Stevanović, Jasmina S.; Nikolić, Nebojša D.

doi:10.1016/s1003-6326(18)64835-6

Cited by 20 publications

(29 citation statements)

References 43 publications

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“…The polarization curves normalized to the limiting diffusion current density values for Pb electrodeposition from the basic (nitrate) and the complex (acetate) electrolytes and for Ag from the basic (nitrate) electrolyte are presented in Figure 2. The plateaus of the limiting diffusion current density were in the ranges of 28.5-55 mV for the nitrate, 33-70 mV for the acetate electrolyte of Pb [27,35], and 70-110 mV for the nitrate electrolyte of Ag [18,34].…”

Section: The Normal Metalsmentioning

confidence: 96%

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Correlation of Morphology and Crystal Structure of Metal Powders Produced by Electrolysis Processes

Nikolić

Maksimović

Avramović

2021

Metals

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In this review paper, morphologies of metal powders produced by the constant (potentiostatic and galvanostatic) regimes of electrolysis from aqueous electrolytes are correlated with their crystal structure at the semiquantitative level. The main parameters affecting the shape of powder particles are the exchange current density (rate of electrochemical process) and overpotential for hydrogen evolution reaction. Depending on them, various shapes of dendrites (the needles, the two-dimensional (2D) fern-like, and the three-dimensional (3D) pine-like dendrites), and the particles formed under vigorous hydrogen evolution (cauliflower-like and spongy-like particles) are produced by these regimes of electrolysis. By decreasing the exchange current density value, the crystal structure of the powder particles is changed from the strong (111) preferred orientation obtained for the needle-like (silver) and the 2D (lead) dendrites to the randomly orientated crystallites in particles with the spherical morphology (the 3D dendrites and the cauliflower-like and the spongy-like particles). The formation of metal powders by molten salt electrolysis and by electrolysis in deep eutectic solvents (DESs) and the crystallographic aspects of dendritic growth are also mentioned in this review.

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Section: The Normal Metalsmentioning

confidence: 96%

“…The nitrate electrolytes belong to a group of the basic electrolytes, whereas the other electrolytes are from the group of complex electrolytes. The most often used basic type of electrolyte for Ag electrodeposition is based on nitrates [18,33,34].…”

Section: The Normal Metalsmentioning

confidence: 99%

Correlation of Morphology and Crystal Structure of Metal Powders Produced by Electrolysis Processes

Nikolić

Maksimović

Avramović

2021

Metals

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“…Recently, a strong correlation between the morphologies of silver powder particles and their crystal structure was found [33,34]. Here, this type of investigation has been continued with the aim of establishing the existence of the same correlation for Cu powders.…”

Section: Introductionmentioning

confidence: 92%

“…orientation [33][34][35]. On the other hand, since four main reflections were analyzed, the values of RTC coefficients larger than 25% indicate the existence of a preferred orientation.…”

Section: Structural Analysis Of Cu Powders Produced By the Electrolytmentioning

confidence: 99%

“…The values of TC(hkl) and RTC(hkl) coefficients obtained for the electrolytically produced particles at current densities of 14.4 and 384 mA•cm −2 (Cu(14.4) and Cu(384), respectively) are given in Table 2. The values of TC(hkl) coefficients larger than 1 indicate the existence of preferred orientation [33][34][35].…”

Section: Structural Analysis Of Cu Powders Produced By the Electrolytmentioning

confidence: 99%

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Influence of the Shape of Copper Powder Particles on the Crystal Structure and Some Decisive Characteristics of the Metal Powders

Avramović

Maksimović

Baščarević

et al. 2019

Metals

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Three different forms of Cu powder particles obtained by either galvanostatic electrolysis or a non-electrolytic method were analyzed by a scanning electron microscope (SEM), X-ray diffraction (XRD) and particle size distribution (PSD). Electrolytic procedures were performed under different hydrogen evolution conditions, leading to the formation of either 3D branched dendrites or disperse cauliflower-like particles. The third type of particles were compact agglomerates of the Cu grains, whose structural characteristics indicated that they were formed by a non-electrolytic method. Unlike the sharp tips that characterize the usual form of Cu dendrites, the ends of both the trunk and branches were globules in the formed dendrites, indicating that a novel type of Cu dendrites was formed in this investigation. Although the macro structures of the particles were extremely varied, they had very similar micro structures because they were constructed by spherical grains. The Cu crystallites were randomly oriented in the dendrites and compact agglomerates of the Cu grains, while the disperse cauliflower-like particles showed (220) and (311) preferred orientation. This indicates that the applied current density affects not only the morphology of the particles, but also their crystal structure. The best performance, defined by the largest specific surface area and the smallest particle size, was by the galvanostatically produced powder consisting of disperse cauliflower-like particles.

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Electrodeposition of Sn powders with pyramid chain and dendrite structures in deep eutectic solvent: roles of current density and SnCl2 concentration

Wang

et al. 2021

J Solid State Electrochem

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Correlation between crystal structure and morphology of potentiostatically electrodeposited silver dendritic nanostructures

Cited by 20 publications

References 43 publications

Correlation of Morphology and Crystal Structure of Metal Powders Produced by Electrolysis Processes

Correlation of Morphology and Crystal Structure of Metal Powders Produced by Electrolysis Processes

Influence of the Shape of Copper Powder Particles on the Crystal Structure and Some Decisive Characteristics of the Metal Powders

Electrodeposition of Sn powders with pyramid chain and dendrite structures in deep eutectic solvent: roles of current density and SnCl2 concentration

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