Effect of Modified SiO₂ on the Hydrophobic Properties as Self-Cleaning Materials

Abstract:

In this work, hydrophobic of modified SiO₂ coating for self cleaning material were prepared by dip-coating methods and solvothermal manual. SiO₂ was successfully prepared from silica sand by purified followed sol-gel methods. Tetraetoxysilane (TEOS) and Hexamethyldisilanze (HMDS) were used as surface chemical modification agents with varied mass of SiO₂, which were 1, 2, 3, and 4 g. X-ray fluorescence spectrometer (XRF) , X-ray powder diffraction (XRD), Particle size analyzer (PSA), Ultraviolet–visible spectrophotometer (UV-Vis), and Water contact angle (WCA) were employed to investigate the element composition, crystal structure, size of particles, transparency, and hydrophobicity of coating. The results indicated that modified SiO₂ coatings has hydrophobic feature as self cleaning material (WCA > 90˚) for indium tin oxide (ITO) glass.

• Periodical: Materials Science Forum (Volume 966)
• Pages: 83-88
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.966.83
• Online since: August 2019
• Authors: Linda Silvia, Aprilya Hartinah Wardani, Yanurita Dwi Hapsari*, Mochammad Zainuri
• Keywords: Coating, Contact Angle, Hydrophobic, SiO₂, TEOS

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