Quantification and Tuning of Surface Oxygen Vacancies for the Hydrogenation of CO ₂ on Indium Oxide Catalysts

The direct hydrogenation of CO2 to methanol is an attractive approach employ the greenhouse gas as a chemical feedstock. However, commercial copper catalyst, used for synthesis from CO-rich syngas, suffers deactivation at elevated partial pressure. An emerging alternative represented by In2O3 it withstands hydrothermal conditions induced reverse water-gas shift reaction. active sites adsorption and subsequent conversion into were shown be oxygen vacancies on surface In2O3. In this study, N2O was utilized probe molecule quantify number indium oxide catalysts. inserted atoms could correlated respective activity. Furthermore, atomic efficiency enhanced applying layer deposition ZrO2.