Beilstein J. Nanotechnol.2019,10, 866–873, doi:10.3762/bjnano.10.87
surfaces exhibiting reversiblewettability [20]. Wang et al. [21] prepared a TiO2 polycrystalline film which achieved drastic changes in wettability when the water contact angle (WCA) was changed from 72° and 0° under UV illumination, followed by recovery at around 70° after storing in the dark. Jin et al
(heptadecafluoro-1,1,2,2-tetradecyl)trimethoxysilane, which not only exhibited reversiblewettability from 160° to 0° but also reduced the transition time to 60 min.
By modifying trimethoxy(alkyl)silane, TiO2-based surfaces can achieve a faster change from superhydrophobic to superhydrophilic. However, the reason
PDF
Figure 1:
SEM images of TiO2–PFOS and Al2O3–PFOS composite surfaces.
Beilstein J. Nanotechnol.2019,10, 840–847, doi:10.3762/bjnano.10.84
.
Keywords: charge injection; heating; reversiblewettability; superhydrophilic; superhydrophobic; Introduction
Surfaces that are capable of reversibly switchable wettability have attracted increasing interest, especially those able to switch between superhydrophobicity and superhydrophilicity, and hence
PDF
Figure 1:
Images of the experimental device for charging.