Advances in nanomaterials synthesis make it possible to achieve nanocrystals with crystallographically defined surface facets and high surface area, which can be considered as ideal model systems for catalytic studies under realistic conditions. In this work, I will show how we can make use of nanoshapes of binary oxide (ceria) and ternary oxide (SrTiO<sub>3</sub> perovskite) as model systems to gain molecular level understanding of the shape effect on both the redox and acid-base properties and catalysis over these oxides. Catalytic insights are made possibly by investigating the atomic structure of the surfaces of these oxides via advanced electron microscopy and spectroscopy. Our work manifests the importance of understanding the surface atomic structure and composition for catalysis over both single and mixed oxide catalysts.<br/>

Shape effect in oxide catalysis: from binary to ternary oxides

2019 Spring National Meeting

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