β-Ni(OH)2 and NiO Nanostructured Films Prepared by Using Chemical Bath Deposition for the Oxygen Evolution Reaction
- Authors
- Park, Minjeong; Shin, Eunhye; Hong, Jongin; Paik, Hanjong
- Issue Date
- Dec-2020
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Ni(OH)2; NiO; Nanostructure; Chemical bath deposition; Electrocatalyst
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.77, no.12, pp 1248 - 1252
- Pages
- 5
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 77
- Number
- 12
- Start Page
- 1248
- End Page
- 1252
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/43728
- DOI
- 10.3938/jkps.77.1248
- ISSN
- 0374-4884
1976-8524
- Abstract
- beta-Ni(OH)(2) and NiO nanostructured films were prepared on fluorine-doped tin oxide (FTO) glass substrates by using chemical bath deposition (CBD) at different concentrations of a complexing agent (i.e., NH3). The as-deposited beta-Ni(OH)(2) films exhibited various porous structures, such as nanoislands, nanoflakes, nanosheets and nanoplatelets, depending on the concentration of the complexing agent, and they could be converted to NiO films by using calcination. The beta-Ni(OH)(2) and the NiO films were characterized by using scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS). Importantly, the electrochemical activity of NiO nanoplatelet-films for the oxygen evolution reaction (OER) was also investigated as a function of the annealing temperature.
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