Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt
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2016
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Aluminium was underpotentially deposited onto palladium substrate from the equimolar AlCl3+NaCl melt at 250º and 300 ºC. Electrochemical methods used were linear sweep voltammetry and potential step. The obtained samples were analysed by scanning electron microscopy, energy dispersive spectroscopy, atomic force microscopy and X-ray diffraction. The aluminium underpotential deposition is followed by interdiffusion of very thin Al deposit and Pd substrate which lead to the formation of surface Al-Pd intermetallic compounds. The constant-potential regions measured during the low-current stripping method corresponded to the coexistence of three pairs of the metallicintermetallic phases. This indicated that formation of Al-Pd alloys in a very controlled way and under technologically suitable conditions can be done at temperatures equal to and below 250ºC.
Ključne reči:
Aluminium / Palladium / Chloroaluminate melt / Underpotential deposition / Alloy formationIzvor:
6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain, 2016Izdavač:
- European Chemical Society
Institucija/grupa
IHTMTY - CONF AU - Cvetković, Vesna S. AU - Jovićević, Niko AU - Vukićević, Nataša AU - Jovićević, Jovan N. PY - 2016 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/5922 AB - Aluminium was underpotentially deposited onto palladium substrate from the equimolar AlCl3+NaCl melt at 250º and 300 ºC. Electrochemical methods used were linear sweep voltammetry and potential step. The obtained samples were analysed by scanning electron microscopy, energy dispersive spectroscopy, atomic force microscopy and X-ray diffraction. The aluminium underpotential deposition is followed by interdiffusion of very thin Al deposit and Pd substrate which lead to the formation of surface Al-Pd intermetallic compounds. The constant-potential regions measured during the low-current stripping method corresponded to the coexistence of three pairs of the metallicintermetallic phases. This indicated that formation of Al-Pd alloys in a very controlled way and under technologically suitable conditions can be done at temperatures equal to and below 250ºC. PB - European Chemical Society C3 - 6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain T1 - Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt UR - https://hdl.handle.net/21.15107/rcub_cer_5922 ER -
@conference{ author = "Cvetković, Vesna S. and Jovićević, Niko and Vukićević, Nataša and Jovićević, Jovan N.", year = "2016", abstract = "Aluminium was underpotentially deposited onto palladium substrate from the equimolar AlCl3+NaCl melt at 250º and 300 ºC. Electrochemical methods used were linear sweep voltammetry and potential step. The obtained samples were analysed by scanning electron microscopy, energy dispersive spectroscopy, atomic force microscopy and X-ray diffraction. The aluminium underpotential deposition is followed by interdiffusion of very thin Al deposit and Pd substrate which lead to the formation of surface Al-Pd intermetallic compounds. The constant-potential regions measured during the low-current stripping method corresponded to the coexistence of three pairs of the metallicintermetallic phases. This indicated that formation of Al-Pd alloys in a very controlled way and under technologically suitable conditions can be done at temperatures equal to and below 250ºC.", publisher = "European Chemical Society", journal = "6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain", title = "Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt", url = "https://hdl.handle.net/21.15107/rcub_cer_5922" }
Cvetković, V. S., Jovićević, N., Vukićević, N.,& Jovićević, J. N.. (2016). Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt. in 6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain European Chemical Society.. https://hdl.handle.net/21.15107/rcub_cer_5922
Cvetković VS, Jovićević N, Vukićević N, Jovićević JN. Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt. in 6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain. 2016;. https://hdl.handle.net/21.15107/rcub_cer_5922 .
Cvetković, Vesna S., Jovićević, Niko, Vukićević, Nataša, Jovićević, Jovan N., "Al-Pd alloy formation by aluminium underpotential deposition onto palladium from chloroaluminate melt" in 6th EuCheMS Chemistry congress, 11 - 15 September, 2016, Seville, Spain (2016), https://hdl.handle.net/21.15107/rcub_cer_5922 .