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Title POSS fernlike structure as a support for TiO2 nanoparticles in fabrication of superhydrophobic polymer-based nanocomposite surfaces
Date 05.05.2017
Number 53207
Abstract In this study, polystyrene (PS) based nanocomposite surfaces with extreme wettabilities were prepared by solution casting technique using an improved phase separation process. The individual incorporation of polyhedral oligomeric silsesquioxanes (POSS) nanoparticles made the PS-based films superhydrophilic. However, once a hybrid of POSS and titanium dioxide (TiO2) nanoparticles was employed, according to scanning electron microscopy results, POSS fernlike structure acted as a support for deposition of TiO2 layer leading to the creation of a unique hierarchical morphology which caused a transition from superhydrophilic to superhydrophobic. X-ray photoelectron spectroscopy results proved that all the three components including POSS, TiO2 and PS are present at the surface layer of the hybrid-based nanocomposite. The idea of using a hybrid of nanoparticles was further corroborated by the improved mechanical resistance of superhydrophobicity. In conclusion, incorporation of a hybrid of nanoparticles alongside a proper non-solvent might lead to unique morphologies which could result in superhydrophobicity.
URL https://doi.org/10.1016/j.colsurfa.2017.02.022
Publisher Colloids and Surfaces A: Physicochemical and Engineering Aspects
Identifier 0
Citation Colloids and Surfaces A: Physicochemical and Engineering Aspects 520 (2017) 514-521
DOI https://doi.org/10.1016/j.colsurfa.2017.02.022
Authors Rezaei, S. ; Seyfi, J. ; Hejazi, I. ; Davachi, S. M. ; Khonakdar, H. A.
Tags polystyrene polyhedral oligomeric silsesquioxane superhydrophobic morphology nanocomposite

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