SURFACE MODIFICATION OF POLYETHYLENE (PE) BY THE DEPOSITION OF TITANIUM DIOXIDE (TiO2) NANOPARTICLES TO ENHANCE THE PHOTOCATALYTIC ACTIVITIES

J. K. Pandey, M. H. Kim, D. M. Chun, C. S. Lee and S. H. Ahn ()
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J. K. Pandey: School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, South Korea
M. H. Kim: School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, South Korea
D. M. Chun: School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, South Korea
C. S. Lee: Division of Materials and Chemical Engineering, Hanyang University, Kyunggi-do, South Korea
S. H. Ahn: School of Mechanical and Aerospace Engineering, Institute of Advanced Machinery and Design, Seoul National University, Seoul, South Korea

Surface Review and Letters (SRL), 2009, vol. 16, issue 02, 259-263

Abstract: In recent years, there has been growing interest in the preparation ofTiO2-deposited materials for the application in different fields of photocatalytic activities, such as photocatalysis, dye-sensitized solar cells, antireflective coatings, and electro-chromic devices.TiO2particles were deposited on the PE surface by spraying method at room temperature. The deposition analysis was conducted by atomic force microscopy (AFM), thermogravimetric analysis (TGA), X-ray photoelectron spectroscopy (XPS), and field emission scanning electron microscopy (FE-SEM) for monitoring the variation in morphology and different properties. It was found that the surface was deposited uniformly with higher concentration of particles and did not affect the inherent properties of polymers. The depositedTiO2particles favor the photodegradation of synthetic nonbiodegradable polymeric materials, which will ultimately decompose in the environment.

Keywords: Titanium dioxide (TiO2); photodegradation; polyethylene; particle deposition; surface modification (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1142/S0218625X09012561

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