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Electrodeposition of Niobium and Aluminium from chloroaluminate melts onto Gold

Authorized Users Only
2016
Authors
Vukićević, Nataša
Cvetković, Vesna S.
Jovićević, Jovan N.
Conference object (Published version)
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Abstract
Niobium and aluminium have been electrodeposited onto gold substrate at 200 ºC under inert atmosphere from the melt of equimolar AlCl3+NaCl mixture with niobium added by anodic dissolution. Electrochemical deposition and dissolution of niobium and aluminium was investigated by cyclic, linear sweep voltammetry and potential step. Obtained samples were analysed by scanning electron microscopy, energy dispersive spectroscopy, atomic force microscopy and X-ray diffraction. It was established that aluminium and niobium underpotential deposition on gold precedes overpotential deposition of niobium and subsequent aluminium deposition. Physical analytical methods indicated the formation of several niobium-aluminium, niobium-gold and aluminium-gold alloys in niobium and aluminium underpotential as well as in niobium and aluminium overpotential regions.
Keywords:
Niobium / Aluminium / Gold / Alloy formation / Chloroaluminate melt
Source:
6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain, 2016
Publisher:
  • European Chemical Society
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_cer_5923
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/5923
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - CONF
AU  - Vukićević, Nataša
AU  - Cvetković, Vesna S.
AU  - Jovićević, Jovan N.
PY  - 2016
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5923
AB  - Niobium and aluminium have been electrodeposited onto gold substrate at 200 ºC under inert
atmosphere from the melt of equimolar AlCl3+NaCl mixture with niobium added by anodic
dissolution. Electrochemical deposition and dissolution of niobium and aluminium was investigated by cyclic, linear sweep voltammetry and potential step. Obtained samples were analysed by scanning electron microscopy, energy dispersive spectroscopy, atomic force microscopy and X-ray diffraction. It was established that aluminium and niobium underpotential deposition on gold precedes overpotential deposition of niobium and subsequent aluminium deposition. Physical analytical methods indicated the formation of several niobium-aluminium, niobium-gold and aluminium-gold alloys in niobium and aluminium underpotential as well as in niobium and aluminium overpotential regions.
PB  - European Chemical Society
C3  - 6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain
T1  - Electrodeposition of Niobium and Aluminium from chloroaluminate melts onto Gold
UR  - https://hdl.handle.net/21.15107/rcub_cer_5923
ER  - 
@conference{
author = "Vukićević, Nataša and Cvetković, Vesna S. and Jovićević, Jovan N.",
year = "2016",
abstract = "Niobium and aluminium have been electrodeposited onto gold substrate at 200 ºC under inert
atmosphere from the melt of equimolar AlCl3+NaCl mixture with niobium added by anodic
dissolution. Electrochemical deposition and dissolution of niobium and aluminium was investigated by cyclic, linear sweep voltammetry and potential step. Obtained samples were analysed by scanning electron microscopy, energy dispersive spectroscopy, atomic force microscopy and X-ray diffraction. It was established that aluminium and niobium underpotential deposition on gold precedes overpotential deposition of niobium and subsequent aluminium deposition. Physical analytical methods indicated the formation of several niobium-aluminium, niobium-gold and aluminium-gold alloys in niobium and aluminium underpotential as well as in niobium and aluminium overpotential regions.",
publisher = "European Chemical Society",
journal = "6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain",
title = "Electrodeposition of Niobium and Aluminium from chloroaluminate melts onto Gold",
url = "https://hdl.handle.net/21.15107/rcub_cer_5923"
}
Vukićević, N., Cvetković, V. S.,& Jovićević, J. N.. (2016). Electrodeposition of Niobium and Aluminium from chloroaluminate melts onto Gold. in 6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain
European Chemical Society..
https://hdl.handle.net/21.15107/rcub_cer_5923
Vukićević N, Cvetković VS, Jovićević JN. Electrodeposition of Niobium and Aluminium from chloroaluminate melts onto Gold. in 6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain. 2016;.
https://hdl.handle.net/21.15107/rcub_cer_5923 .
Vukićević, Nataša, Cvetković, Vesna S., Jovićević, Jovan N., "Electrodeposition of Niobium and Aluminium from chloroaluminate melts onto Gold" in 6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain (2016),
https://hdl.handle.net/21.15107/rcub_cer_5923 .

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