Contact Angle of TiO2/SnO2 Thin Films Coated on Glass Substrate
รหัสดีโอไอ
Creator Weerachai SANGCHAY
Title Contact Angle of TiO2/SnO2 Thin Films Coated on Glass Substrate
Publisher Walailak University
Publication Year 2557
Journal Title Walailak Journal of Science and Technology
Journal Vol. 11
Journal No. 5
Page no. 429-436
Keyword Contact angle, TiO2/SnO2, self-cleaning, photocatalytic activity, thin films
ISSN 1686-3933
Abstract The self-cleaning effect in terms of contact angle value and photocatalytic activity of TiO2 and TiO2/SnO2 thin films coated on glass substrate was measured. The thin films were prepared using a sol-gel dip coating technique and calcinated at a temperature of 500 ?C for 2 h with a heating rate of 10 ?C/min. The microstructures of the fabricated thin films were characterized by SEM and XRD techniques. The photocatalytic properties of the thin films were also tested via the degradation of methylene blue (MB) solution under UV irradiation. Finally, the self-cleaning properties of the thin films were evaluated by measuring the contact angle of water droplets on the thin films with and without UV irradiation. It was found that 1 %mol SnO2/TiO2 thin films showed the highest of photocatalytic activity and provided the most self-cleaning properties.
Walailak University

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