Adsorption of alcohols on a two-dimensional SiO2 single crystal – Alcohol adsorption on silicatene
| Autor: | Uwe Burghaus, M. T. Nayakasinghe, Nilushni Sivapragasam |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Auger electron spectroscopy
Low-energy electron diffraction Thermal desorption spectroscopy Binding energy Analytical chemistry General Physics and Astronomy Alcohol 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences chemistry.chemical_compound Adsorption chemistry Methanol Physical and Theoretical Chemistry 0210 nano-technology Single crystal |
| Zdroj: | Chemical Physics Letters. 689:105-110 |
| ISSN: | 0009-2614 |
| Popis: | The adsorption kinetics of alcohols (methanol, ethanol, 1-propanol, 1-butanol, 1-pentanol) was studied on monoatomic, two-dimensional SiO2 single crystals (silicatene) using thermal desorption spectroscopy (TDS). Silicatene was grown on Mo(1 1 2) at ultra-high vacuum. In contrast to Mo, the alcohols physisorb molecularly on the hydrophobic SiO2/Mo surface. Zero coverage binding energies vary from 46.5 to 65.5 kJ/mol and increase with molecular size. Silicatene was characterized by Auger electron spectroscopy (AES), low energy electron diffraction (LEED), and water TDS. |
| Databáze: | OpenAIRE |
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