Oxygen Reduction on Glassy Carbon-Supported PdAu Nanoparticles in Perchloric Acid Solution
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PdAu/GC nanoparticles obtained by the electrochemical deposition of gold followed by the spontaneous palladium deposition show a remarkable catalytic activity for the oxygen reduction reaction (ORR) in perchloric acid solution. AFM images reveal the size, shape, and coverage of the GC electrode with Au and PdAu nanoislands. Au/GC electrode with the full GC coverage by the deposited gold islands and activated by potential cycling shows the highest ORR activity. The initial potential for ORR shifts positively for 200 mV compared to polycrystalline gold. With the addition of palladium, the activity for ORR enhances significantly. For the most active PdAu/GC electrode, the initial potential shifts positively for another 250 mV, which coincides with polycrystalline palladium.
Keywords:
acid solution / glassy carbon / gold / oxygen reduction / palladiumSource:
International Journal of Electrochemical Science, 2021, 16, 8, 210818-Publisher:
- Elsevier
Funding / projects:
- Ministry of Science, Technological Development and Innovation of the Republic of Serbia, institutional funding - 200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-MESTD-inst-2020-200026)
DOI: 10.20964/2021.08.01
ISSN: 1452-3981
WoS: 000684853600010
Scopus: 2-s2.0-85111274263
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IHTMTY - JOUR AU - Golubović, Jelena AU - Srejić, Irina AU - Štrbac, Svetlana PY - 2021 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/7472 AB - PdAu/GC nanoparticles obtained by the electrochemical deposition of gold followed by the spontaneous palladium deposition show a remarkable catalytic activity for the oxygen reduction reaction (ORR) in perchloric acid solution. AFM images reveal the size, shape, and coverage of the GC electrode with Au and PdAu nanoislands. Au/GC electrode with the full GC coverage by the deposited gold islands and activated by potential cycling shows the highest ORR activity. The initial potential for ORR shifts positively for 200 mV compared to polycrystalline gold. With the addition of palladium, the activity for ORR enhances significantly. For the most active PdAu/GC electrode, the initial potential shifts positively for another 250 mV, which coincides with polycrystalline palladium. PB - Elsevier T2 - International Journal of Electrochemical Science T1 - Oxygen Reduction on Glassy Carbon-Supported PdAu Nanoparticles in Perchloric Acid Solution VL - 16 IS - 8 SP - 210818 DO - 10.20964/2021.08.01 ER -
@article{ author = "Golubović, Jelena and Srejić, Irina and Štrbac, Svetlana", year = "2021", abstract = "PdAu/GC nanoparticles obtained by the electrochemical deposition of gold followed by the spontaneous palladium deposition show a remarkable catalytic activity for the oxygen reduction reaction (ORR) in perchloric acid solution. AFM images reveal the size, shape, and coverage of the GC electrode with Au and PdAu nanoislands. Au/GC electrode with the full GC coverage by the deposited gold islands and activated by potential cycling shows the highest ORR activity. The initial potential for ORR shifts positively for 200 mV compared to polycrystalline gold. With the addition of palladium, the activity for ORR enhances significantly. For the most active PdAu/GC electrode, the initial potential shifts positively for another 250 mV, which coincides with polycrystalline palladium.", publisher = "Elsevier", journal = "International Journal of Electrochemical Science", title = "Oxygen Reduction on Glassy Carbon-Supported PdAu Nanoparticles in Perchloric Acid Solution", volume = "16", number = "8", pages = "210818", doi = "10.20964/2021.08.01" }
Golubović, J., Srejić, I.,& Štrbac, S.. (2021). Oxygen Reduction on Glassy Carbon-Supported PdAu Nanoparticles in Perchloric Acid Solution. in International Journal of Electrochemical Science Elsevier., 16(8), 210818. https://doi.org/10.20964/2021.08.01
Golubović J, Srejić I, Štrbac S. Oxygen Reduction on Glassy Carbon-Supported PdAu Nanoparticles in Perchloric Acid Solution. in International Journal of Electrochemical Science. 2021;16(8):210818. doi:10.20964/2021.08.01 .
Golubović, Jelena, Srejić, Irina, Štrbac, Svetlana, "Oxygen Reduction on Glassy Carbon-Supported PdAu Nanoparticles in Perchloric Acid Solution" in International Journal of Electrochemical Science, 16, no. 8 (2021):210818, https://doi.org/10.20964/2021.08.01 . .