| Title: | Structured cobalt oxide catalysts for VOC abatement: the effect of preparation method |
| Author(s): | Topka P; Dvorakova M; Ksirova P; Perekrestov R; Cada M; Balabanova J; Kostejn M; Jiratova K; Kovanda F; |
| Address: | "Institute of Chemical Process Fundamentals of the CAS, Rozvojova 135, 165 02, Prague, Czech Republic. topka@icpf.cas.cz. Department of Solid State Chemistry, University of Chemistry and Technology, Prague, Technicka 5, 166 28, Prague, Czech Republic. Institute of Physics of the CAS, Na Slovance 2, 182 21, Prague, Czech Republic. Institute of Chemical Process Fundamentals of the CAS, Rozvojova 135, 165 02, Prague, Czech Republic" |
| Journal Title: | Environ Sci Pollut Res Int |
| DOI: | 10.1007/s11356-019-06974-2 |
| ISSN/ISBN: | 1614-7499 (Electronic) 0944-1344 (Linking) |
| Abstract: | "Magnetron sputtering was employed for the deposition of cobalt oxide thin films on stainless steel meshes. Catalysts prepared by sputtering in inert and oxidation atmosphere were compared with those obtained by electrochemical deposition and hydrothermal synthesis. Systematic characterization using X-ray diffraction, scanning electron microscopy, N(2) physisorption, infrared spectroscopy, Raman spectroscopy, and temperature-programmed reduction by hydrogen allowed detailed monitoring of their physicochemical properties. Ethanol gas-phase oxidation was employed as a model reaction to reveal the catalytic performance of the catalysts. It was shown that the catalyst prepared by magnetron sputtering in oxidation atmosphere exhibited the best mechanical stability among all studied catalysts. Moreover, its catalytic activity was 18 times higher than that of pelletized commercial cobalt oxide" |
| Keywords: | Catalysis *Cobalt *Oxides *Volatile Organic Compounds Cobalt oxide Electrochemical deposition Ethanol total oxidation Hydrothermal reaction Magnetron sputtering; |
| Notes: | "MedlineTopka, Pavel Dvorakova, Michaela Ksirova, Petra Perekrestov, Roman Cada, Martin Balabanova, Jana Kostejn, Martin Jiratova, Kvetuse Kovanda, Frantisek eng 17-08389S/Grantova Agentura Ceske Republiky/ Germany 2019/12/31 Environ Sci Pollut Res Int. 2020 Mar; 27(7):7608-7617. doi: 10.1007/s11356-019-06974-2. Epub 2019 Dec 29" |
