This study reports a new method for photocatalysts to degrade organic dyes on organic semiconductors.

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Herein, a superhydrophobic surface with superior durability was fabricated on a glass-ceramic surface by crystallization, hydrofluoric acid (HF) etching, and surface grafting. The as-prepared glass-ceramic surface was composed of three-dimensional flower-like micro-clusters, which were self-assembled from numerous nanosheets. Such a dual-scale rough surface exhibited superhydrophobicity, with a water contact angle (WCA) of 170.3 • ± 0.1 • and a sliding angle (SA) of 2 • after grafting with 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (FAS-17). This can be attributed to the synergistic effect between the dual-scale structure and surface chemistry. Furthermore, this surface exhibited excellent self-cleaning properties, stability against strong acid and strong alkali corrosion, and anti-stripping properties. Materials 2020, 13, 1642 2 of 13 and fabricated a superhydrophobic solar glass by constructing a groove-shaped array on the glass surface, obtaining a CA of 156 • . Gao et al. [24] designed a superhydrophobic surface by fabricating leaf-like clusters on a zinc surface by the plasma etching technique and demonstrated a WCA of 158 • and an SA <5 • .