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Journal Article

Cu/ZnO and Cu/ZrO2 interactions studied by contact angle measurement with TEM

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Kasatkin,  Igor
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Kniep,  Benjamin
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Ressler,  Thorsten
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Kasatkin, I., Kniep, B., & Ressler, T. (2007). Cu/ZnO and Cu/ZrO2 interactions studied by contact angle measurement with TEM. Physical Chemistry Chemical Physics, 9(7), 878-883. doi:10.1039/b616795k.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-019A-7
Abstract
A technique of contact angle measurement was applied to the nano-scale oxide-supported metal particles. For Cu supported on ZnO and ZrO2 the angles were found to increase and the work of adhesion to decrease with increasing particle size. Such a trend is interpreted as an effect of negative contact line tension of 2.1•10-9 J m-1 and 1.0•10-9 J m-1 in the Cu/ZnO and Cu/ZrO2 system, correspondingly. For the small-sized Cu particles the apparent work of adhesion on ZnO support is higher than that on ZrO2.