Hauptseite > Publikationsdatenbank > Exploiting micro-scale structural and chemical observations in real time for understanding chemical conversion: LEEM/PEEM studies over CeO x –Cu(111) > print |
001 | 842071 | ||
005 | 20210129232200.0 | ||
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100 | 1 | _ | |a Duchon, Tomas |0 P:(DE-Juel1)165376 |b 0 |u fzj |
245 | _ | _ | |a Exploiting micro-scale structural and chemical observations in real time for understanding chemical conversion: LEEM/PEEM studies over CeO x –Cu(111) |
260 | _ | _ | |a Amsterdam |c 2017 |b Elsevier Science |
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520 | _ | _ | |a Proper consideration of length-scales is critical for elucidating active sites/phases in heterogeneous catalysis, revealing chemical function of surfaces and identifying fundamental steps of chemical reactions. Using the example of ceria thin films deposited on the Cu(111) surface, we demonstrate the benefits of multi length-scale experimental framework for understanding chemical conversion. Specifically, exploiting the tunable sampling and spatial resolution of photoemission electron microscopy, we reveal crystal defect mediated structures of inhomogeneous copper–ceria mixed phase that grow during preparation of ceria/Cu(111) model systems. The density of the microsized structures is such that they are relevant to the chemistry, but unlikely to be found during investigation at the nanoscale or with atomic level investigations. Our findings highlight the importance of accessing micro-scale when considering chemical pathways over heteroepitaxially grown model systems. |
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700 | 1 | _ | |a Senanayake, Sanjaya D. |0 P:(DE-HGF)0 |b 10 |e Corresponding author |
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