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Methanol oxidation on Ru/Pd(poly) in alkaline solution

Samo za registrovane korisnike
2018
Autori
Štrbac, Svetlana
Maksic, A.
Rakočević, Zlatko Lj.
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentu
Apstrakt
Polycrystalline Pd electrode, Pd(poly), is modified by Ru nanoislands using spontaneous deposition method. Coverage of Pd(poly) electrode with the deposited Ru are approx. 20, 30 and 50% as estimated from phase atomic force microscopy images. The oxidation state of Pd substrate and the deposited Ru is determined by X-ray spectroscopy (XPS). Electrocatalytic activity of obtained Ru/Pd(poly) bimetallic electrodes is tested towards methanol oxidation in alkaline medium. Cyclic voltammetry and chronoamperometry experiments show the enhanced activity of Ru/Pd(poly) electrodes towards methanol electrooxidation with respect to bare Pd(poly). This is explained by the presence of Ru islands, which provided RuOH and Pd-RuOH sites, necessary for the oxidation of CO as the main intermediate during the oxidation of methanol at lower potentials. 30% Ru/Pd(poly) is the most active of all examined electrodes.
Ključne reči:
Ruthenium / Palladium / Spontaneous deposition / Methanol oxidation
Izvor:
Journal of Electroanalytical Chemistry, 2018, 823, 161-170
Izdavač:
  • Elsevier
Projekti:
  • Funkcionalni, funkcionalizovani i usavršeni nano materijali (RS-45005)
Napomena:
  • The peer-reviewed version: https://cer.ihtm.bg.ac.rs/handle/123456789/4275

DOI: 10.1016/j.jelechem.2018.06.011

ISSN: 1572-6657

WoS: 000443664700021

Scopus: 2-s2.0-85048082915
[ Google Scholar ]
13
12
URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2460
Kolekcije
  • Radovi istraživača / Researchers' publications
Institucija
IHTM
TY  - JOUR
AU  - Štrbac, Svetlana
AU  - Maksic, A.
AU  - Rakočević, Zlatko Lj.
PY  - 2018
UR  - http://cer.ihtm.bg.ac.rs/handle/123456789/2460
AB  - Polycrystalline Pd electrode, Pd(poly), is modified by Ru nanoislands using spontaneous deposition method. Coverage of Pd(poly) electrode with the deposited Ru are approx. 20, 30 and 50% as estimated from phase atomic force microscopy images. The oxidation state of Pd substrate and the deposited Ru is determined by X-ray spectroscopy (XPS). Electrocatalytic activity of obtained Ru/Pd(poly) bimetallic electrodes is tested towards methanol oxidation in alkaline medium. Cyclic voltammetry and chronoamperometry experiments show the enhanced activity of Ru/Pd(poly) electrodes towards methanol electrooxidation with respect to bare Pd(poly). This is explained by the presence of Ru islands, which provided RuOH and Pd-RuOH sites, necessary for the oxidation of CO as the main intermediate during the oxidation of methanol at lower potentials. 30% Ru/Pd(poly) is the most active of all examined electrodes.
PB  - Elsevier
T2  - Journal of Electroanalytical Chemistry
T1  - Methanol oxidation on Ru/Pd(poly) in alkaline solution
VL  - 823
SP  - 161
EP  - 170
DO  - 10.1016/j.jelechem.2018.06.011
ER  - 
@article{
author = "Štrbac, Svetlana and Maksic, A. and Rakočević, Zlatko Lj.",
year = "2018",
url = "http://cer.ihtm.bg.ac.rs/handle/123456789/2460",
abstract = "Polycrystalline Pd electrode, Pd(poly), is modified by Ru nanoislands using spontaneous deposition method. Coverage of Pd(poly) electrode with the deposited Ru are approx. 20, 30 and 50% as estimated from phase atomic force microscopy images. The oxidation state of Pd substrate and the deposited Ru is determined by X-ray spectroscopy (XPS). Electrocatalytic activity of obtained Ru/Pd(poly) bimetallic electrodes is tested towards methanol oxidation in alkaline medium. Cyclic voltammetry and chronoamperometry experiments show the enhanced activity of Ru/Pd(poly) electrodes towards methanol electrooxidation with respect to bare Pd(poly). This is explained by the presence of Ru islands, which provided RuOH and Pd-RuOH sites, necessary for the oxidation of CO as the main intermediate during the oxidation of methanol at lower potentials. 30% Ru/Pd(poly) is the most active of all examined electrodes.",
publisher = "Elsevier",
journal = "Journal of Electroanalytical Chemistry",
title = "Methanol oxidation on Ru/Pd(poly) in alkaline solution",
volume = "823",
pages = "161-170",
doi = "10.1016/j.jelechem.2018.06.011"
}
Štrbac S, Maksic A, Rakočević ZL. Methanol oxidation on Ru/Pd(poly) in alkaline solution. Journal of Electroanalytical Chemistry. 2018;823:161-170
Štrbac, S., Maksic, A.,& Rakočević, Z. Lj. (2018). Methanol oxidation on Ru/Pd(poly) in alkaline solution.
Journal of Electroanalytical ChemistryElsevier., 823, 161-170.
https://doi.org/10.1016/j.jelechem.2018.06.011
Štrbac Svetlana, Maksic A., Rakočević Zlatko Lj., "Methanol oxidation on Ru/Pd(poly) in alkaline solution" 823 (2018):161-170,
https://doi.org/10.1016/j.jelechem.2018.06.011 .

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