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Erschienen in: Journal of Materials Science: Materials in Electronics 11/2022

20.08.2021

Synthesis of metallic surface plasmon-sensitized TiO2 nanowire for wettability application

verfasst von: Kamal Kant Kashyap, Monalisa Hazarika, Sardul Singh Dhayal, Paulsamy Chinnamuthu

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 11/2022

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Abstract

The wettability-switching properties of superhydrophobic/hydrophilic surfaces have generated significant interest to researchers worldwide. Controlling the wettability on the surface holds considerable promise for potential applications like self-cleaning surfaces, anti-freezing, and anti-corrosion. Switching wettability is still a challenging issue in research field. In this work, we have synthesized gold (Au)-decorated TiO2 nanowire (NW) and analyzed the switching wettability behavior under specific UV light conditions. The wettability test result displays the water contact angle (WCA) of Au-decorated TiO2-NW and TiO2-NW as 122° and 70°, respectively. After the UV irradiation, WCA of the Au-decorated TiO2-NW and TiO2-NW changed to 47° and 43°, the wettability transition rate obtained was 2.3 × 10–4 degree−1 min−1 and 1.5 × 10–4 degree−1 min−1, respectively. The value of friction force and work of adhesion of Au-decorated TiO2-NW is 14.10 µN and 34.22 mN/m. Improved switching wettability behavior has been observed for Au-decorated TiO2-NW compared to TiO2-NW sample. This improvement is due to effective carrier separation and enhanced lifetime of charge carriers. Hence the enhanced wettability parameters in Au-decorated TiO2-NW structure can provide a great potential application in self-cleaning and antifogging smart surfaces.

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Metadaten
Titel
Synthesis of metallic surface plasmon-sensitized TiO2 nanowire for wettability application
verfasst von
Kamal Kant Kashyap
Monalisa Hazarika
Sardul Singh Dhayal
Paulsamy Chinnamuthu
Publikationsdatum
20.08.2021
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 11/2022
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-021-06770-0

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