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Hydrogen Evolution on Columnar Ni Thin Films Obtained by GLAD

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2017
2146.pdf (216.1Kb)
Authors
Potočnik, Jelena
Popović, Maja
Rakočević, Zlatko Lj.
Štrbac, Svetlana
Article (Published version)
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Abstract
Nanostructured nickel thin films were deposited on glass using glancing angle deposition (GLAD) technique. Cross-sectional field emission scanning electron microscopy images have shown that obtained Ni thin films consist of vertical, tilted or zigzag nano-scaled columns, while X-ray diffraction have shown that (111) orientation prevailed. X-ray photoelectron spectroscopy revealed that apart from metallic nickel, NiO and Ni(OH)(2) were also present in lower amount. Cyclic voltammetry in alkaline solution has shown that hydrogen evolution reaction (HER) was significantly catalyzed on all columnar nanostructures compared to Ni(poly). This was ascribed to the high electroactive surface area (EASA) of porous nickel columns. EASAs for vertical, tilted and zigzag Ni thin layers were higher 32, 25.3, and 24.9 times, respectively, than their geommetric areas. Accordingly, Ni thin films with vertical columns have shown the highest activity for HER.
Keywords:
nickel thin films / glancing angle deposition / hydrogen evolution reaction / alkaline solution
Source:
International Journal of Electrochemical Science, 2017, 12, 6, 4692-4701
Publisher:
  • Esg, Belgrade
Funding / projects:
  • Functional, Functionalized and Advanced Nanomaterials (RS-45005)

DOI: 10.20964/2017.06.89

ISSN: 1452-3981

WoS: 000405200600007

Scopus: 2-s2.0-85020804172
[ Google Scholar ]
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/2148
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Potočnik, Jelena
AU  - Popović, Maja
AU  - Rakočević, Zlatko Lj.
AU  - Štrbac, Svetlana
PY  - 2017
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2148
AB  - Nanostructured nickel thin films were deposited on glass using glancing angle deposition (GLAD) technique. Cross-sectional field emission scanning electron microscopy images have shown that obtained Ni thin films consist of vertical, tilted or zigzag nano-scaled columns, while X-ray diffraction have shown that (111) orientation prevailed. X-ray photoelectron spectroscopy revealed that apart from metallic nickel, NiO and Ni(OH)(2) were also present in lower amount. Cyclic voltammetry in alkaline solution has shown that hydrogen evolution reaction (HER) was significantly catalyzed on all columnar nanostructures compared to Ni(poly). This was ascribed to the high electroactive surface area (EASA) of porous nickel columns. EASAs for vertical, tilted and zigzag Ni thin layers were higher 32, 25.3, and 24.9 times, respectively, than their geommetric areas. Accordingly, Ni thin films with vertical columns have shown the highest activity for HER.
PB  - Esg, Belgrade
T2  - International Journal of Electrochemical Science
T1  - Hydrogen Evolution on Columnar Ni Thin Films Obtained by GLAD
VL  - 12
IS  - 6
SP  - 4692
EP  - 4701
DO  - 10.20964/2017.06.89
UR  - Conv_3750
ER  - 
@article{
author = "Potočnik, Jelena and Popović, Maja and Rakočević, Zlatko Lj. and Štrbac, Svetlana",
year = "2017",
abstract = "Nanostructured nickel thin films were deposited on glass using glancing angle deposition (GLAD) technique. Cross-sectional field emission scanning electron microscopy images have shown that obtained Ni thin films consist of vertical, tilted or zigzag nano-scaled columns, while X-ray diffraction have shown that (111) orientation prevailed. X-ray photoelectron spectroscopy revealed that apart from metallic nickel, NiO and Ni(OH)(2) were also present in lower amount. Cyclic voltammetry in alkaline solution has shown that hydrogen evolution reaction (HER) was significantly catalyzed on all columnar nanostructures compared to Ni(poly). This was ascribed to the high electroactive surface area (EASA) of porous nickel columns. EASAs for vertical, tilted and zigzag Ni thin layers were higher 32, 25.3, and 24.9 times, respectively, than their geommetric areas. Accordingly, Ni thin films with vertical columns have shown the highest activity for HER.",
publisher = "Esg, Belgrade",
journal = "International Journal of Electrochemical Science",
title = "Hydrogen Evolution on Columnar Ni Thin Films Obtained by GLAD",
volume = "12",
number = "6",
pages = "4692-4701",
doi = "10.20964/2017.06.89",
url = "Conv_3750"
}
Potočnik, J., Popović, M., Rakočević, Z. Lj.,& Štrbac, S.. (2017). Hydrogen Evolution on Columnar Ni Thin Films Obtained by GLAD. in International Journal of Electrochemical Science
Esg, Belgrade., 12(6), 4692-4701.
https://doi.org/10.20964/2017.06.89
Conv_3750
Potočnik J, Popović M, Rakočević ZL, Štrbac S. Hydrogen Evolution on Columnar Ni Thin Films Obtained by GLAD. in International Journal of Electrochemical Science. 2017;12(6):4692-4701.
doi:10.20964/2017.06.89
Conv_3750 .
Potočnik, Jelena, Popović, Maja, Rakočević, Zlatko Lj., Štrbac, Svetlana, "Hydrogen Evolution on Columnar Ni Thin Films Obtained by GLAD" in International Journal of Electrochemical Science, 12, no. 6 (2017):4692-4701,
https://doi.org/10.20964/2017.06.89 .,
Conv_3750 .

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