Tin, Bismuth, and Tin-Bismuth Alloy Electrodeposition from Chlorometalate Salts in Deep Eutectic Solvents

Luciana Vieira, Jennifer Burt, Peter W Richardson, Daniel Schloffer, David Fuchs, Alwin Moser, Philip N Bartlett, Gillian Reid, Bernhard Gollas

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The electrodeposition of tin, bismuth, and tin-bismuth alloys from Sn(II) and Bi(III) chlorometalate salts in the choline chloride/ethylene glycol (1:2 molar ratio) deep eutectic solvent was studied on glassy carbon and gold by cyclic voltammetry, rotating disc voltammetry, and chronoamperometry. The Sn(II)-containing electrolyte showed one voltammetric redox process corresponding to Sn(II)/Sn(0). The diffusion coefficient of [SnCl3](-), detected as the dominating species by Raman spectroscopy, was determined from Levich and Cottrell analyses. The Bi(III)-containing electrolyte showed two voltammetric reduction processes, both attributed to Bi(III)/Bi(0). Dimensionless current/time transients revealed that the electrodeposition of both Sn and Bi on glassy carbon proceeded by 3D-progressive nucleation at a low overpotential and changed to instantaneous at higher overpotentials. The nucleation rate of Bi on glassy carbon was considerably smaller than that of Sn. Elemental Sn and Bi were electrodeposited on Au-coated glass slides from their respective salt solutions, as were Sn-Bi alloys from a 2:1 Sn(II)/Bi(III) solution. The biphasic Sn-Bi alloys changed from a Bi-rich composition to a Sn-rich composition by making the deposition potential more negative.

Original languageEnglish
Pages (from-to)393-401
Number of pages9
JournalChemistryOpen
Volume6
Issue number3
DOIs
Publication statusPublished - 16 Jun 2017

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Bismuth alloys
Tin alloys
Bismuth
Tin
Glassy carbon
Electrodeposition
Eutectics
Salts
Electrolytes
Nucleation
Chronoamperometry
Ethylene Glycol
Rotating disks
Voltammetry
Choline
Chemical analysis
Gold
Cyclic voltammetry
Raman spectroscopy
Glass

Keywords

  • Journal Article

Cite this

Tin, Bismuth, and Tin-Bismuth Alloy Electrodeposition from Chlorometalate Salts in Deep Eutectic Solvents. / Vieira, Luciana; Burt, Jennifer; Richardson, Peter W; Schloffer, Daniel; Fuchs, David; Moser, Alwin; Bartlett, Philip N; Reid, Gillian; Gollas, Bernhard.

In: ChemistryOpen, Vol. 6, No. 3, 16.06.2017, p. 393-401.

Research output: Contribution to journalArticleResearchpeer-review

Vieira, L, Burt, J, Richardson, PW, Schloffer, D, Fuchs, D, Moser, A, Bartlett, PN, Reid, G & Gollas, B 2017, 'Tin, Bismuth, and Tin-Bismuth Alloy Electrodeposition from Chlorometalate Salts in Deep Eutectic Solvents' ChemistryOpen, vol. 6, no. 3, pp. 393-401. https://doi.org/10.1002/open.201700045
Vieira, Luciana ; Burt, Jennifer ; Richardson, Peter W ; Schloffer, Daniel ; Fuchs, David ; Moser, Alwin ; Bartlett, Philip N ; Reid, Gillian ; Gollas, Bernhard. / Tin, Bismuth, and Tin-Bismuth Alloy Electrodeposition from Chlorometalate Salts in Deep Eutectic Solvents. In: ChemistryOpen. 2017 ; Vol. 6, No. 3. pp. 393-401.
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