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Hohle Cu2O‐Nanostrukturen einheitlicher Größe (siehe SEM‐und TEM‐Bilder) wurden durch oxidatives Ätzen von gekappt‐oktaedrischen Vorstufen erhalten. Ein besonderes Merkmal der Nanohohlkörper ist das Fehlen der sechs {100}‐Flächen. Die Strukturen sind vielmehr aus acht hexagonalen {111}‐Flächen konstruiert, von denen erwartet wird, dass sie katalytisch aktiver sind.
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