Oxygen Reduction on Au(100)-like Polycrystalline Gold Electrode in Alkaline Solution
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Catalytic properties of polycrystalline gold, Au(poly), were examined for the oxygen reduction reaction in alkaline solution using the rotating disc electrode technique. On electrochemically prepared Au(poly), oxygen reduction proceeds partly through 4e-reaction pathway resembling the activity of bare Au(100) in alkaline solution. Electrochemical behavior of such Au(100)-like polycrystalline gold electrode was compared with bare Au(100) surface, as well as with stepped Au(210)=Au[2(100)x(110)] and Au(533)=Au[4(111)x(100)] surfaces. It is shown that polycrystalline gold electrode behaved in a similar manner as stepped Au[n(111)x(100)] surfaces, meaning that the enrichment in (111)x(100) steps, rather than in (100) orientation is responsible for a partial 4e-reaction pathway in alkaline solution.
Кључне речи:
Au(poly) / Au(100) / AFM / RDE / oxygen reduction / alkaline solutionИзвор:
International Journal of Electrochemical Science, 2016, 11, 12, 10436-10448Финансирање / пројекти:
- Функционални, функционализовани и усавршени нано материјали (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45005)
DOI: 10.20964/2016.12.51
ISSN: 1452-3981
WoS: 000391039000053
Scopus: 2-s2.0-85009471241
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Институција/група
VinčaTY - JOUR AU - Srejić, Irina AU - Smiljanić, Milutin Lj. AU - Rakočević, Zlatko Lj. AU - Štrbac, Svetlana PY - 2016 UR - https://vinar.vin.bg.ac.rs/handle/123456789/1374 AB - Catalytic properties of polycrystalline gold, Au(poly), were examined for the oxygen reduction reaction in alkaline solution using the rotating disc electrode technique. On electrochemically prepared Au(poly), oxygen reduction proceeds partly through 4e-reaction pathway resembling the activity of bare Au(100) in alkaline solution. Electrochemical behavior of such Au(100)-like polycrystalline gold electrode was compared with bare Au(100) surface, as well as with stepped Au(210)=Au[2(100)x(110)] and Au(533)=Au[4(111)x(100)] surfaces. It is shown that polycrystalline gold electrode behaved in a similar manner as stepped Au[n(111)x(100)] surfaces, meaning that the enrichment in (111)x(100) steps, rather than in (100) orientation is responsible for a partial 4e-reaction pathway in alkaline solution. T2 - International Journal of Electrochemical Science T1 - Oxygen Reduction on Au(100)-like Polycrystalline Gold Electrode in Alkaline Solution VL - 11 IS - 12 SP - 10436 EP - 10448 DO - 10.20964/2016.12.51 ER -
@article{ author = "Srejić, Irina and Smiljanić, Milutin Lj. and Rakočević, Zlatko Lj. and Štrbac, Svetlana", year = "2016", abstract = "Catalytic properties of polycrystalline gold, Au(poly), were examined for the oxygen reduction reaction in alkaline solution using the rotating disc electrode technique. On electrochemically prepared Au(poly), oxygen reduction proceeds partly through 4e-reaction pathway resembling the activity of bare Au(100) in alkaline solution. Electrochemical behavior of such Au(100)-like polycrystalline gold electrode was compared with bare Au(100) surface, as well as with stepped Au(210)=Au[2(100)x(110)] and Au(533)=Au[4(111)x(100)] surfaces. It is shown that polycrystalline gold electrode behaved in a similar manner as stepped Au[n(111)x(100)] surfaces, meaning that the enrichment in (111)x(100) steps, rather than in (100) orientation is responsible for a partial 4e-reaction pathway in alkaline solution.", journal = "International Journal of Electrochemical Science", title = "Oxygen Reduction on Au(100)-like Polycrystalline Gold Electrode in Alkaline Solution", volume = "11", number = "12", pages = "10436-10448", doi = "10.20964/2016.12.51" }
Srejić, I., Smiljanić, M. Lj., Rakočević, Z. Lj.,& Štrbac, S.. (2016). Oxygen Reduction on Au(100)-like Polycrystalline Gold Electrode in Alkaline Solution. in International Journal of Electrochemical Science, 11(12), 10436-10448. https://doi.org/10.20964/2016.12.51
Srejić I, Smiljanić ML, Rakočević ZL, Štrbac S. Oxygen Reduction on Au(100)-like Polycrystalline Gold Electrode in Alkaline Solution. in International Journal of Electrochemical Science. 2016;11(12):10436-10448. doi:10.20964/2016.12.51 .
Srejić, Irina, Smiljanić, Milutin Lj., Rakočević, Zlatko Lj., Štrbac, Svetlana, "Oxygen Reduction on Au(100)-like Polycrystalline Gold Electrode in Alkaline Solution" in International Journal of Electrochemical Science, 11, no. 12 (2016):10436-10448, https://doi.org/10.20964/2016.12.51 . .