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  11. Oxygen-terminated Polycrystalline Boron-doped Diamond Superhydrophobic Surface With Excellent Mechanical And Thermal Stabilities

Oxygen-Terminated Polycrystalline Boron-Doped Diamond Superhydrophobic Surface with Excellent Mechanical and Thermal Stabilities

Peng Wang1, Tianyi Wang1, Mingchao Yang2

  • 1State Key Laboratory of Superhard Materials, Jilin University, Changchun, 130012, China.

Small (Weinheim an Der Bergstrasse, Germany)
|July 2, 2024

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View abstract on PubMed

Summary
This summary is machine-generated.

Researchers developed a durable superhydrophobic surface using oxygen-terminated polycrystalline boron-doped diamond (O-PBDD). This novel material exhibits a high water contact angle and maintains its properties under harsh conditions, offering a new path for robust superhydrophobic materials.

Area of Science:

  • Materials Science
  • Surface Chemistry
  • Nanotechnology

Background:

  • Superhydrophobic surfaces possess unique properties, making them highly desirable for various applications.
  • Diamond films, known for hardness and chemical inertness, are promising for creating robust superhydrophobic surfaces.

Purpose of the Study:

  • To develop a novel oxygen-terminated polycrystalline boron-doped diamond (O-PBDD) superhydrophobic surface with micro/nano-hierarchical porous structures.
  • To investigate a simple fabrication method for creating durable superhydrophobic diamond surfaces.
  • To characterize the wettability and durability of the developed O-PBDD surface.

Main Methods:

  • Fabrication involved sputtering gold and copper particles onto hydrogen-terminated polycrystalline boron-doped diamond (H-PBDD) followed by dewetting in a furnace to create hierarchical pores.
Keywords:
diamonddurabilityrobust surfacesuperhydrophobic surface

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  • Controlled etching parameters to tune surface wettability from hydrophilic to superhydrophobic.
  • Evaluation of superhydrophobicity using water contact angle measurements and durability tests (high-pressure, high-temperature, sandpaper friction).

    • Main Results:

    • Successfully developed an O-PBDD superhydrophobic surface with micro/nano-hierarchical porous structures.
    • Achieved a water contact angle of 165 ± 5°, surpassing previously reported superhydrophobic diamond surfaces.
    • Demonstrated excellent durability, maintaining superhydrophobicity after rigorous tests.

    Conclusions:

    • The developed O-PBDD surface offers a simple and effective route to robust superhydrophobic materials.
    • This research opens new avenues for fabricating durable superhydrophobic diamond-based surfaces.
    • The tunable wettability and exceptional durability make O-PBDD a promising candidate for advanced applications.