Back to Search
Start Over
Enhancing Oxygen Evolution Reaction with Two-Dimensional Nickel Oxide on Au (111)
- Source :
- Catalysts, Vol 14, Iss 5, p 284 (2024)
- Publication Year :
- 2024
- Publisher :
- MDPI AG, 2024.
-
Abstract
- The nature of the active sites of transition metal oxides during the oxygen evolution reaction (OER) has attracted much attention. Herein, we constructed well-defined nickel oxide/Au (111) model catalysts to study the relationship between the structures and their OER activity using scanning tunneling microscopy (STM), X-ray photoelectron spectroscopy (XPS), electrochemical measurements, and density functional theory (DFT) calculations. The deposited nickel oxides on Au (111) were found to exhibit a two-dimensional (2D)/three-dimensional (3D) structure by regulating the annealing temperature. Combining STM, XPS and electrochemical measurements, our results demonstrated an optimal OER reactivity could be achieved for NiOx with a 2D structure on Au and provided a morphological description of the active phase during electrocatalysis.
Details
- Language :
- English
- ISSN :
- 20734344
- Volume :
- 14
- Issue :
- 5
- Database :
- Directory of Open Access Journals
- Journal :
- Catalysts
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.5ac3c95b7cf44a53a3584da6c974c1eb
- Document Type :
- article
- Full Text :
- https://doi.org/10.3390/catal14050284