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The Influence of ZnO−ZrO~2~ Interface in Hydrogenation of CO~2~ to CH~3~OH by Petr Šot; Gina Noh; Ines C. Weber; Sotiris E. Pratsinis; Christophe Copéret is a Chemistry article available to read on EtoBox.

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## Abstract The influence of the interface in ZnO−ZrO~2~ catalysts for the selective hydrogenation of CO~2~ to CH~3~OH is investigated. Specifically, we perturbed its structure using two different synthetic methods: surface organometallic chemistry (SOMC) and flame‐spray pyrolysis (FSP) and investigated the speciation of the resulting materials by spectroscopic techniques, such as XAS, NMR, IR, UV‐Vis, and EPR. The results indicate that oxidic Zn particles that co‐exist with ZrO~2~, as synthesized by FSP, show a superior selectivity in contrast to Zn(0) nanoparticles or Zn(II) single sites on ZrO~2~, formed using SOMC. Further experiments underlined the importance of the ZnO−ZrO~2~ interface in the process: only materials with such an interface exhibit highly selective production of CH~3~OH, proceeding likely via the formation of the surface CH~3~O intermediates.

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Author

Petr Šot; Gina Noh; Ines C. Weber; Sotiris E. Pratsinis; Christophe Copéret

Publisher

Wiley

Published

2022

Language

EN

Field

Chemistry (Physical Sciences)