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Magnesium-Gold Alloy Formation by Underpotential Deposition of Magnesium onto Gold from Nitrate Melts

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2017
2179.pdf (2.769Mb)
Autori
Cvetković, Vesna S.
Jovicevic, Niko
Stevanović, Jasmina
Pavlović, Miomir
Vukićević, Nataša
Stevanović, Zoran
Jovićević, Jovan N.
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentu
Apstrakt
Magnesium underpotential deposition on gold electrodes from magnesium nitrate-ammonium nitrate melts has been investigated. Linear sweep voltammetry and potential step were used as electrochemical techniques. Scanning electron microscopy (SEM), energy dispersive spectrometry (EDS) and X-ray diffraction (XRD) were used for characterization of obtained electrode surfaces. It was observed that reduction processes of nitrate, nitrite and traces of water (when present), in the Mg underpotential range studied, proceeded simultaneously with magnesium underpotential deposition. There was no clear evidence of Mg/Au alloy formation induced by Mg UPD from the melt made from eutectic mixture [Mg(NO3)(2).6H(2)O + NH4NO3.XH2O]. However, EDS and XRD analysis showed magnesium present in the gold substrate and four different Mg/Au alloys being formed as a result of magnesium underpotential deposition and interdiffusion between Mg deposit and Au substrate from the melt made of a nonaqueous [Mg(NO3)(2) +... NH4NO3] eutectic mixture at 460 K.

Ključne reči:
magnesium/gold alloys / underpotential deposition / magnesium nitrate melts
Izvor:
Metals, 2017, 7, 3
Izdavač:
  • MDPI AG
Projekti:
  • Nov pristup dizajniranju materijala za konverziju i skladištenje energije (RS-172060)
  • Elektrohemijska sinteza i karakterizacija nanostrukturiranih funkcionalnih materijala za primenu u novim tehnologijama (RS-172046)

DOI: 10.3390/met7030095

ISSN: 2075-4701

WoS: 000397261600027

Scopus: 2-s2.0-85015813104
[ Google Scholar ]
5
5
URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2181
Kolekcije
  • Radovi istraživača / Researchers' publications
Institucija
IHTM
TY  - JOUR
AU  - Cvetković, Vesna S.
AU  - Jovicevic, Niko
AU  - Stevanović, Jasmina
AU  - Pavlović, Miomir
AU  - Vukićević, Nataša
AU  - Stevanović, Zoran
AU  - Jovićević, Jovan N.
PY  - 2017
UR  - http://cer.ihtm.bg.ac.rs/handle/123456789/2181
AB  - Magnesium underpotential deposition on gold electrodes from magnesium nitrate-ammonium nitrate melts has been investigated. Linear sweep voltammetry and potential step were used as electrochemical techniques. Scanning electron microscopy (SEM), energy dispersive spectrometry (EDS) and X-ray diffraction (XRD) were used for characterization of obtained electrode surfaces. It was observed that reduction processes of nitrate, nitrite and traces of water (when present), in the Mg underpotential range studied, proceeded simultaneously with magnesium underpotential deposition. There was no clear evidence of Mg/Au alloy formation induced by Mg UPD from the melt made from eutectic mixture [Mg(NO3)(2).6H(2)O + NH4NO3.XH2O]. However, EDS and XRD analysis showed magnesium present in the gold substrate and four different Mg/Au alloys being formed as a result of magnesium underpotential deposition and interdiffusion between Mg deposit and Au substrate from the melt made of a nonaqueous [Mg(NO3)(2) + NH4NO3] eutectic mixture at 460 K.
PB  - MDPI AG
T2  - Metals
T1  - Magnesium-Gold Alloy Formation by Underpotential Deposition of Magnesium onto Gold from Nitrate Melts
VL  - 7
IS  - 3
DO  - 10.3390/met7030095
ER  - 
@article{
author = "Cvetković, Vesna S. and Jovicevic, Niko and Stevanović, Jasmina and Pavlović, Miomir and Vukićević, Nataša and Stevanović, Zoran and Jovićević, Jovan N.",
year = "2017",
url = "http://cer.ihtm.bg.ac.rs/handle/123456789/2181",
abstract = "Magnesium underpotential deposition on gold electrodes from magnesium nitrate-ammonium nitrate melts has been investigated. Linear sweep voltammetry and potential step were used as electrochemical techniques. Scanning electron microscopy (SEM), energy dispersive spectrometry (EDS) and X-ray diffraction (XRD) were used for characterization of obtained electrode surfaces. It was observed that reduction processes of nitrate, nitrite and traces of water (when present), in the Mg underpotential range studied, proceeded simultaneously with magnesium underpotential deposition. There was no clear evidence of Mg/Au alloy formation induced by Mg UPD from the melt made from eutectic mixture [Mg(NO3)(2).6H(2)O + NH4NO3.XH2O]. However, EDS and XRD analysis showed magnesium present in the gold substrate and four different Mg/Au alloys being formed as a result of magnesium underpotential deposition and interdiffusion between Mg deposit and Au substrate from the melt made of a nonaqueous [Mg(NO3)(2) + NH4NO3] eutectic mixture at 460 K.",
publisher = "MDPI AG",
journal = "Metals",
title = "Magnesium-Gold Alloy Formation by Underpotential Deposition of Magnesium onto Gold from Nitrate Melts",
volume = "7",
number = "3",
doi = "10.3390/met7030095"
}
Cvetković VS, Jovicevic N, Stevanović J, Pavlović M, Vukićević N, Stevanović Z, Jovićević JN. Magnesium-Gold Alloy Formation by Underpotential Deposition of Magnesium onto Gold from Nitrate Melts. Metals. 2017;7(3)
Cvetković, V. S., Jovicevic, N., Stevanović, J., Pavlović, M., Vukićević, N., Stevanović, Z.,& Jovićević, J. N. (2017). Magnesium-Gold Alloy Formation by Underpotential Deposition of Magnesium onto Gold from Nitrate Melts.
MetalsMDPI AG., 7(3).
https://doi.org/10.3390/met7030095
Cvetković Vesna S., Jovicevic Niko, Stevanović Jasmina, Pavlović Miomir, Vukićević Nataša, Stevanović Zoran, Jovićević Jovan N., "Magnesium-Gold Alloy Formation by Underpotential Deposition of Magnesium onto Gold from Nitrate Melts" 7, no. 3 (2017),
https://doi.org/10.3390/met7030095 .

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