A One-Step Route to a Perfectly Ordered Wafer-Scale Microbowl Array for Size-Dependent Superhydrophobicity
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- A One-Step Route to a Perfectly Ordered Wafer-Scale Microbowl Array for Size-Dependent Superhydrophobicity
- Huang, Xing-Jiu; Lee, Joo-Hyung; Lee, Jongwon; Yoon, Jun-Bo; Choi, Yang-Kyu
- lithography; microbowl arrays; one-step fabrication; superhydrophobicity; size dependence; ULTRAHYDROPHOBIC SURFACES; HYDROPHOBIC SURFACES; ROUGH SURFACES; WATER; NANOPATTERNS; LITHOGRAPHY; WETTABILITY; DIFFUSER; DESIGN
- Issue Date
- WILEY-V C H VERLAG GMBH
- SMALL, v.4, no.2, pp.211 - 216
- A study was conducted to analyze an easy, high-throughput, and scalable one-step microlithography that can be used in combination with microstructures to produce hydrophobic surfaces. A highly super-hydrophobic surface was designed to avoid a transition between hydrophobicity and hydrophilicity. The one-step method was used to produce a highly uniform surface with few defects. A low-magnification scanning electron microscopy (SEM) images were used to examine the defects on the surface. The arrayed-microbowls performs as reservoirs that aided fast spreading of the liquid front, the liquid accumulated within the corrugated, and spread much faster than on the flat surface. Morphologies of microstructures were analyzed using scanning electron microscope (SEM). Results show that the method can be used design of a surface structure to achieve desired surface-wetting properties.
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