Importance of lotus effect on surface sensing
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Author/Creator ORCID
Date
2019-05-02
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Citation of Original Publication
Stacey Sova, Narasimha Prasad, Christopher Cooper, Lisa Kelly, Bradley Arnold, Brian Cullum, Fow-Sen Choa, and N. B. Singh "Importance of lotus effect on surface sensing", Proc. SPIE 11020, Smart Biomedical and Physiological Sensor Technology XV, 1102005 (2 May 2019); doi: 10.1117/12.2519738
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© (2019) Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
© (2019) Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Abstract
Superhydrophobic polymer films are a material of interest for aircraft deicing fluids to achieve the selfcleaning lotus effect. Hydrophobic polymer films were obtained by a solvent selective method composed of
hydrophilic polymethylmethacrylate (PMMA) and hydrophobic polystyrene (PS) and hydrophilic titania
nanoparticles. The addition of titania nanoparticles changed the surface of the thin films from an anisotropic
morphology to a spherical isotropic surface due to hydrophobic and hydrophilic repulsion. Irradiation of UV
responsive titania nanoparticles retained the same surface morphology. Water contact angle measurements will be
completed to determine the hydrophobic nature of the polymer films.