Effect of surface microstructures on photo-induced hydrophilicity of NaNbO3 thin films by sol–gel process

Ken-ichi Katsumata1, Christopher E.J. Cordonier2, Tetsuya Shichi2, Akira Fujishima2,3
1Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
2Technology Research and Development Department, Central Japan Railway Company, 1545-33 Ohyama, Komaki City, Aichi 485-0801, Japan
3Kanagawa Academy of Science and Technology, KSP Building West 614, 3-2-1 Sakado, Takatsu-ku, Kawasaki, Kanagawa 213-0012, Japan

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