A method for modifying the surface properties of ZnO nanowires deposited as thin films on various substrates

Vadims Kolbjonoks; Vladimirs Kostjukevičs

doi:10.1117/12.2633401

3 October 2022 A method for modifying the surface properties of ZnO nanowires deposited as thin films on various substrates

Vadims Kolbjonoks, Vladimirs Kostjukevičs

Author Affiliations +

Proceedings Volume 12202, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XIX; 122020C (2022) https://doi.org/10.1117/12.2633401
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Conference Poster

Abstract

In this paper, we demonstrate the approach of obtaining an array of ZnO nanowires, deposited as a thin film on different substrates (glass, Si plate, foil, etc.). As-obtained ZnO thin films have a hydrophilic state with water droplets with a contact angle value of 0°. Treatment of ZnO thin films with H₂ gas (under specific conditions) changes the state of ZnO thin films to a hydrophobic state with a roll-off angle with the droplet of water 60°. However, ZnO thin films treatment with O₂ gas makes ZnO thin films go back to a hydrophilic state. This operation can be repeated in a cycle manner using H₂ and O₂ gases to approach different states of ZnO thin films such as hydrophilic and hydrophobic. Thin films of ZnO nanowires can be deposited on a variety of substrates such as glasses, metals, and polyamides.

Citation Download Citation

Vadims Kolbjonoks and Vladimirs Kostjukevičs "A method for modifying the surface properties of ZnO nanowires deposited as thin films on various substrates", Proc. SPIE 12202, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XIX, 122020C (3 October 2022); https://doi.org/10.1117/12.2633401

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