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Macroscopic superhydrophobicity achieved by atomic decoration with silicones.
J Chem Phys 2018; 149(1):014706JC

Abstract

Modulating wetting states of water droplets on a solid surface has great potential in numerous applications such as self-cleaning, heat transfer, and water purification. Present strategies to achieve controlled wettability usually employ surface roughness and/or chemical coating at the nanometer-to-micrometer scale. Here we propose that atomic-scale decoration and patterning with silicones can be used to fabricate superhydrophobic surfaces. Atomic decoration, differing from chemical coatings in the characteristic size and partial coverage, controls wetting states with the atomic precision (several angstroms) at low cost and maintains a long lifetime. We attribute the mechanism of atomic decoration to the decrease in effective potential-well depth, inducing weak interactions between the substrate and water droplet. Our work pushes water wetting to the limit of atomic scales, hinting for a paradigm shift from macroscopic to atomically-precise engineering of wetting states and providing new insights for fabricating superhydrophobic surfaces.

Authors+Show Affiliations

Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China and Collaborative Innovation Center of Quantum Matter, Beijing 100190, China.Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China and Collaborative Innovation Center of Quantum Matter, Beijing 100190, China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

29981555

Citation

Huang, Yongfeng, and Sheng Meng. "Macroscopic Superhydrophobicity Achieved By Atomic Decoration With Silicones." The Journal of Chemical Physics, vol. 149, no. 1, 2018, p. 014706.
Huang Y, Meng S. Macroscopic superhydrophobicity achieved by atomic decoration with silicones. J Chem Phys. 2018;149(1):014706.
Huang, Y., & Meng, S. (2018). Macroscopic superhydrophobicity achieved by atomic decoration with silicones. The Journal of Chemical Physics, 149(1), p. 014706. doi:10.1063/1.5030758.
Huang Y, Meng S. Macroscopic Superhydrophobicity Achieved By Atomic Decoration With Silicones. J Chem Phys. 2018 Jul 7;149(1):014706. PubMed PMID: 29981555.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Macroscopic superhydrophobicity achieved by atomic decoration with silicones. AU - Huang,Yongfeng, AU - Meng,Sheng, PY - 2018/7/9/entrez PY - 2018/7/10/pubmed PY - 2018/7/10/medline SP - 014706 EP - 014706 JF - The Journal of chemical physics JO - J Chem Phys VL - 149 IS - 1 N2 - Modulating wetting states of water droplets on a solid surface has great potential in numerous applications such as self-cleaning, heat transfer, and water purification. Present strategies to achieve controlled wettability usually employ surface roughness and/or chemical coating at the nanometer-to-micrometer scale. Here we propose that atomic-scale decoration and patterning with silicones can be used to fabricate superhydrophobic surfaces. Atomic decoration, differing from chemical coatings in the characteristic size and partial coverage, controls wetting states with the atomic precision (several angstroms) at low cost and maintains a long lifetime. We attribute the mechanism of atomic decoration to the decrease in effective potential-well depth, inducing weak interactions between the substrate and water droplet. Our work pushes water wetting to the limit of atomic scales, hinting for a paradigm shift from macroscopic to atomically-precise engineering of wetting states and providing new insights for fabricating superhydrophobic surfaces. SN - 1089-7690 UR - https://www.unboundmedicine.com/medline/citation/29981555/Macroscopic_superhydrophobicity_achieved_by_atomic_decoration_with_silicones_ L2 - https://dx.doi.org/10.1063/1.5030758 DB - PRIME DP - Unbound Medicine ER -
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