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Superhydrophobic copper films with hierarchically sandbeach-like morphologies were grown on Si substrates using direct current (DC) sputtering. After the surfaces were hydrophobized with 1-Octadecanethiol (ODT), the surfaces became superhydrophobic. The substrate temperature during sputtering played a key role in the formation of the surface morphology. The films exhibited long-term stability in the...
A super-hydrophilic surface was prepared on the molybdenum substrate via a hydrothermal method. The scanning electron microscope (SEM) images show that many crystal grains with the size of about a hundred nanometers grown on the surface, which look like the seeds on the strawberry surface. The analysis by energy dispersive spectrometer (EDS) and X-ray diffraction (XRD) proves that the seeds are MoO...
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