Voltammetric study of lead electrodeposition in the presence of sorbitol and morphological characterization

Carlos, I.A.; Siqueira, J.L.P.; Finazzi, Guilherme Antonio; Almeida, M.R.H. de

doi:10.1016/s0378-7753(03)00024-7

Cited by 33 publications

(9 citation statements)

References 6 publications

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“…It has been observed in our laboratory that electrodeposition of pure metals or alloys from a plating bath containing the polyalcohol sorbitol or glycerol leads to metal or alloy films with smooth surface and that even in the potential region of vigorous hydrogen evolution, the films do not burn, suggesting that these polyalcohols prevent the deposits from becoming darker [10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Voltammetric and morphological characterization of zinc electrodeposition from acid electrolytes containing boric–polyalcohol complexes

Oliveira

Carlos

2008

J Appl Electrochem

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The influence of sorbitol or glycerol polyalcohols on the electrodeposition of zinc and on morphology of the zinc film is discussed. The deposition current efficiency, in the potential range -1.30 V to -2.50 V, was *90% in all baths. Increasing the sorbitol concentration in the bath shifted the deposition to more negative potentials, *50 mV, and decreased the current density (j p ) of the zinc deposition significantly. On the other hand, adding glycerol did not significantly affect either j or the deposition potential of zinc. Scanning electron microscopy (SEM) showed that either sorbitol or glycerol lead to the formation of granular deposits. The best zinc morphology was obtained with 0.52 M sorbitol or glycerol in the plating bath. The presence of sorbitol or glycerol in the plating bath was beneficial, since the resulting zinc deposits were compact and without holes.

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Section: Introductionmentioning

confidence: 99%

Voltammetric and morphological characterization of zinc electrodeposition from acid electrolytes containing boric–polyalcohol complexes

Oliveira

Carlos

2008

J Appl Electrochem

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“…3(b). Also, a crossover is observed, showing again that the deposition occurs by 3D nucleation [31][32][33][34]. (Fig.…”

Section: Resultsmentioning

confidence: 75%

Voltammetric study of the influence of EDTA on the silver electrodeposition and morphological and structural characterization of silver films

Oliveira

Barbosa

Broggi

et al. 2005

Journal of Electroanalytical Chemistry

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“…Potentiostatic deposits were formed at -1.50 V or -1.60 V, with a deposition charge density (q d ) of 10.20 C cm -2 . The deposition current efficiency (CE) was calculated from the stripping/deposition charge ratio [28,29,[36][37][38]. In these experiments, Zn-Mn deposits were formed with q d = 10.20 C cm -2 .…”

Section: Methodsmentioning

confidence: 99%

“…In general, the electrodeposited films are free of cracks and dendrites [27][28][29][30][31][32][33][34][35][36][37][38][39]. Also, polyalcohols in the alkaline plating bath inhibit the corrosion of zinc [28,39].…”

Section: Introductionmentioning

confidence: 99%

Study of the influence of a boric–sorbitol complex on Zn–Mn electrodeposition and on the morphology, chemical composition, and structure of the deposits

2011

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Zn-Mn electrodeposition onto Pt from an electrolyte containing boric-sorbitol complex (BSC) or boric acid alone (BA) was studied. The influence of BA or BSC content on the deposition process was investigated by cyclic voltammetry and electrodeposits, produced potentiostatically, were analysed by SEM, EDX, and XRD. The voltammetric studies indicated that an increase in the BSC concentration led to a decrease in the deposition current density. EDX analysis of deposits obtained at -1.60 V showed that increasing the BA or BSC concentration in the bath induced a fall in the Mn content of the electrodeposit and that for BSC this decrease was more significant. SEM images showed that the Zn-Mn electrodeposit obtained in the presence of 0.24 M BSC were smoother than other deposits; hence, BSC acted as a grain refiner at this concentration. XRD analysis of this deposit indicated that it was composed of Zn, Mn, MnZn 13 , and MnH 0.8 .

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Voltammetric study of lead electrodeposition in the presence of sorbitol and morphological characterization

Cited by 33 publications

References 6 publications

Voltammetric and morphological characterization of zinc electrodeposition from acid electrolytes containing boric–polyalcohol complexes

Voltammetric and morphological characterization of zinc electrodeposition from acid electrolytes containing boric–polyalcohol complexes

Voltammetric study of the influence of EDTA on the silver electrodeposition and morphological and structural characterization of silver films

Study of the influence of a boric–sorbitol complex on Zn–Mn electrodeposition and on the morphology, chemical composition, and structure of the deposits

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