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EnglishCeO 2-Fe 2O 3 thin films with different Ce/Fe ratios have been tested as alcohol gas sensors. The microstructure, acid-base properties and reactivity of CeO 2-Fe 2O 3 powders were investigated by X-ray diffraction (XRD), temperature programmed desorption of adsorbed CO 2 (TPD-CO 2) and gas-phase oxidation of alcohols, respectively. The addition of Ce to Fe 2O 3 modify the particles size distribution, surface basicity, electrical conductivity and the catalytic activity in the oxidation of methanol and ethanol. These factors have been discussed and correlated with the electrical response of CeO 2-Fe 2O 3 mixed oxides to both alcohols
| Titolo: | A study of the catalytic activity and sensitivity to different alcohols of CeO2–Fe2O3 thin films |
| Autori: | |
| Data di pubblicazione: | 2005 |
| Rivista: | |
| Abstract: | CeO 2-Fe 2O 3 thin films with different Ce/Fe ratios have been tested as alcohol gas sensors. The microstructure, acid-base properties and reactivity of CeO 2-Fe 2O 3 powders were investigated by X-ray diffraction (XRD), temperature programmed desorption of adsorbed CO 2 (TPD-CO 2) and gas-phase oxidation of alcohols, respectively. The addition of Ce to Fe 2O 3 modify the particles size distribution, surface basicity, electrical conductivity and the catalytic activity in the oxidation of methanol and ethanol. These factors have been discussed and correlated with the electrical response of CeO 2-Fe 2O 3 mixed oxides to both alcohols |
| Handle: | http://hdl.handle.net/11570/1912600 |
| Appare nelle tipologie: | 14.a.1 Articolo su rivista |
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