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

Sebastian Dahle; John Meuthen; René Gustus; Alexandra Prowald; Wolfgang Viöl; Wolfgang Maus-Friedrichs

doi:10.20944/preprints202012.0302.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 11 December 2020 / Approved: 13 December 2020 / Online: 13 December 2020 (21:34:33 CET)

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 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 behaviour.

X-ray Photoelectron Spectroscopy; Atomic Force Microscopy; Confocal Laser Scanning Microscopy; Scanning Electron Microscopy

Chemistry and Materials Science, Biomaterials

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

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