Thin macroporous TiO2 films were successfully prepared on quartz substrate by a dip-coating method using poly(methyl methacrylate) (PMMA) microspheres as template. SEM observations as well as other spectroscopic measurements revealed that the thin TiO2 films with uniform macropores were formed on quartz substrate with relatively high transparency and anatase crystalline structures. It was also found that the photoinduced hydrophilicity under UV light as well as the durability of hydro-philic surface in the dark was enhanced on thin macroporous TiO2 films.
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