Quantitative Analysis of the Oxidation State of Cobalt Oxides by Resonant Photoemission Spectroscopy
Journal of Physical Chemistry Letters, ISSN: 1948-7185, Vol: 10, Issue: 20, Page: 6129-6136
2019
- 58Citations
- 58Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Citations58
- Citation Indexes58
- 58
- CrossRef30
- Captures58
- Readers58
- 58
Article Description
Quantitative assessment of the charge transfer phenomena in cobalt oxides and cobalt complexes is essential for the design of advanced catalytic materials. We propose a method for the evaluation of the oxidation state of cobalt oxides with mixed valence states using resonant photoemission spectroscopy. The method is based on the calculation of the resonant enhancement ratio (RER) from the heights of the resonant features associated with the Co and Co states. The nature of the corresponding states was corroborated by means of density functional calculations. We employed a well-ordered CoO(111) film to calibrate the RER with respect to the atomic Co/Co ratio. The method was applied to monitor the reduction of a well-ordered CoO(111) film to CoO(111) upon annealing under exposure to isopropanol. We demonstrate that this method yields the stoichiometry of cobalt oxides at a level of accuracy that cannot be achieved when fitting the Co 2p core level spectra.
Bibliographic Details
American Chemical Society (ACS)
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