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Issue 28, 2018
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Floatable superhydrophobic Ag2O photocatalyst without a modifier and its controllable wettability by particle size adjustment

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Abstract

In this research, a controlling mechanism of particle size on the wettability of Ag2O particles is reported, and an interesting floatable Ag2O photocatalyst with superhydrophobicity and superoleophilicity is prepared based on this mechanism. Stable superhydrophobic and superhydrophilic Ag2O without a low-surface-energy modifier can be obtained only by adjusting its particle size, and its wettability can switch mutually by changing the particle size. The wettability of Ag2O converts from superhydrophilic to hydrophobic when the average particle size is more than 1.08 μm. The operation parameters of the Ag2O crystallization process significantly influence the wettability of the Ag2O particles. The obtained superhydrophobic Ag2O floated on the water surface, and exhibited excellent photodegradation performance with various floating oils. This attractive superhydrophobic Ag2O photocatalyst is promising for practical applications, and provides a strategy for the development of functional photocatalysts and superhydrophobic materials.

Graphical abstract: Floatable superhydrophobic Ag2O photocatalyst without a modifier and its controllable wettability by particle size adjustment

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Publication details

The article was received on 30 Mar 2018, accepted on 29 Jun 2018 and first published on 02 Jul 2018


Article type: Paper
DOI: 10.1039/C8NR02581A
Citation: Nanoscale, 2018,10, 13661-13672
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    Floatable superhydrophobic Ag2O photocatalyst without a modifier and its controllable wettability by particle size adjustment

    W. Jiang, H. Fu, Y. Zhu, H. Yue, S. Yuan and B. Liang, Nanoscale, 2018, 10, 13661
    DOI: 10.1039/C8NR02581A

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