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Volume 11
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10.3390/coatings11020114
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Open AccessArticle

Superhydrophilic Coating of Pine Wood by Plasma Functionalization of Self-Assembled Polystyrene Spheres

by
Sebastian Dahle
1,2,*,
John Meuthen
1,
René Gustus
3,
Alexandra Prowald
4,
Wolfgang Viöl
5 and
Wolfgang Maus-Friedrichs
3
1
Institute of Energy Research and Physical Technologies, Clausthal University of Technology, Leibnizstr. 4, 38678 Clausthal-Zellerfeld, Germany
2
Department of Wood Science and Technology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva ulica 101, 1000 Ljubljana, Slovenia
3
Clausthal Centre for Material Technology, Clausthal University of Technology, Agricolastr. 2, 38678 Clausthal-Zellerfeld, Germany
4
Institute of Electrochemistry, Clausthal University of Technology, Arnold-Sommerfeld-Str. 6, 38678 Clausthal-Zellerfeld, Germany
5
Faculty of Engineering and Health, University of Applied Sciences and Arts, Von-Ossietzky-Str. 99, 37085 Göttingen, Germany
*
Author to whom correspondence should be addressed.
Coatings 2021, 11(2), 114; https://doi.org/10.3390/coatings11020114
Received: 11 December 2020 / Revised: 7 January 2021 / Accepted: 12 January 2021 / Published: 20 January 2021
(This article belongs to the Special Issue Surface Properties and Surface Treatments of Wood and Wood-Based Composites)
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Abstract

Self-assembling films typically used for colloidal lithography have been applied to pine wood substrates to change the surface wettability. Therefore, monodisperse polystyrene (PS) spheres have been deposited onto a rough pine wood substrate via dip coating. The resulting PS sphere film resembled a polycrystalline face centered cubic (FCC)-like structure with typical domain sizes of 5–15 single spheres. This self-assembled coating was further functionalized via an O2 plasma. This plasma treatment strongly influenced the particle sizes in the outermost layer, and hydroxyl as well as carbonyl groups were introduced to the PS spheres’ surfaces, thus generating a superhydrophilic behavior. View Full-Text
Keywords: X-ray photoelectron spectroscopy; atomic force microscopy; confocal laser scanning microscopy; scanning electron microscopy X-ray photoelectron spectroscopy; atomic force microscopy; confocal laser scanning microscopy; scanning electron microscopy
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MDPI and ACS Style

Dahle, S.; Meuthen, J.; Gustus, R.; Prowald, A.; Viöl, W.; Maus-Friedrichs, W. Superhydrophilic Coating of Pine Wood by Plasma Functionalization of Self-Assembled Polystyrene Spheres. Coatings 2021, 11, 114. https://doi.org/10.3390/coatings11020114

AMA Style

Dahle S, Meuthen J, Gustus R, Prowald A, Viöl W, Maus-Friedrichs W. Superhydrophilic Coating of Pine Wood by Plasma Functionalization of Self-Assembled Polystyrene Spheres. Coatings. 2021; 11(2):114. https://doi.org/10.3390/coatings11020114

Chicago/Turabian Style

Dahle, Sebastian; Meuthen, John; Gustus, René; Prowald, Alexandra; Viöl, Wolfgang; Maus-Friedrichs, Wolfgang. 2021. "Superhydrophilic Coating of Pine Wood by Plasma Functionalization of Self-Assembled Polystyrene Spheres" Coatings 11, no. 2: 114. https://doi.org/10.3390/coatings11020114

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