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Proceedings Paper

Automobile applications of optical thin films modified by nanotechnology
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Paper Abstract

Photocatalytic properties of obliquely deposited TiO2 thin films with various shaped columns were investigated. The columnar films such as zigzag, cylinder and helix were prepared by dynamic oblique deposition (DOD) method. It was found that the optimum morphology for surface photocatalytic reaction has been obtained at the deposition angle (alpha) equals 70 degrees, where the photocatalytic activity is 2.5 times larger than that at (alpha) equals 0 degrees. In addition, effective surface area was estimated by Monte Carlo simulation and quantitative agreement was obtained between theoretical and experimental results. It was concluded that the enhanced surface photocatalytic properties of obliquely deposited TiO2 films can be explained in terms of effective changes in surface area originated from morphology modified by thin film nanotechnology.

Paper Details

Date Published: 9 July 2001
PDF: 8 pages
Proc. SPIE 4467, Complex Mediums II: Beyond Linear Isotropic Dielectrics, (9 July 2001); doi: 10.1117/12.432922
Show Author Affiliations
Yasunori Taga, Toyota Central Research & Development Labs., Inc. (Japan)
Motofumi Suzuki, Toyota Central Research & Development Labs., Inc. (Japan)


Published in SPIE Proceedings Vol. 4467:
Complex Mediums II: Beyond Linear Isotropic Dielectrics
Akhlesh Lakhtakia; Werner S. Weiglhofer; Ian J. Hodgkinson, Editor(s)

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