Oleksandr Korbut
Supervisor: Dr. Josef Mysliveček
Prague 2016
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The morphology and reactivity of model catalysts based on cobalt oxide презентация
Содержание
- 1. The morphology and reactivity of model catalysts based on cobalt oxide
- 2. Contents Motivation Experimental methods to be
- 3. Motivation http://butane.chem.uiuc.edu/pshapley/Enlist/Labs/FuelCellLab/FuelCell.html
- 4. Experimental methods to be applied
- 5. Categories and types of catalysts Homogeneous vs
- 6. Ceria based catalysts V. Matolín, I. Matolínová,
- 7. Pt-based catalysts M. Happel, J. Mysliveček, V.
- 8. Co-based catalysts M. Li and E. I. Altman. J.
- 9. Our experimental project To establish experimental procedures
- 10. Thanks for your attention!
Contents Motivation Experimental methods to be applied Categories and types of catalysts Experimental project
Слайд 2Contents
Motivation
Experimental methods to be applied
Categories and types of catalysts
Experimental
project
Слайд 5Categories and types of catalysts
Homogeneous vs heterogeneous
Types of catalysts:
- Ceria-based
catalysts;
- Pt-based catalysts;
- Co-based catalysts.
- Pt-based catalysts;
- Co-based catalysts.
Слайд 6Ceria based catalysts
V. Matolín, I. Matolínová, F. Dvořák, V. Johánek, J.
Mysliveček; et al. CATALYSIS TODAY, Volume 181, Issue 1, 12 February 2012, Pages 124-132
Слайд 7Pt-based catalysts
M. Happel, J. Mysliveček, V. Johánek; et al. JOURNAL OF
CATALYSIS, Volume 289, May 2012, Pages 118-126
Image width: 60 nm. Tunneling parameters: (a) Us = 2.6 V, I = 0.4 nA and (b) Us = 2.5 V, I = 0.3 nA.
Слайд 8Co-based catalysts
M. Li and E. I. Altman. J. PHYS. CHEM. C, Volume 118 (24),
May 2014, Pages 12706–12716
Слайд 9Our experimental project
To establish experimental procedures for obtaining thin films of
cobalt oxides CoO and Co3O4 with well-defined crystallographic orientation and a complete coverage on a suitable metal or oxide substrate.
To obtain experimental control of the morphology, particularly the density of monoatomic steps, and of density of oxygen vacancies on the oriented continuous thin films of cobalt oxide.
The measurement of reactivity towards H2O, O2 and methanol (CH3OH) on previously developed and quantitatively controlled model catalyst systems.
To obtain experimental control of the morphology, particularly the density of monoatomic steps, and of density of oxygen vacancies on the oriented continuous thin films of cobalt oxide.
The measurement of reactivity towards H2O, O2 and methanol (CH3OH) on previously developed and quantitatively controlled model catalyst systems.
