We present a novel approach to cover different substrates with thin light-sensitive layers that consist of organic-capped TiO2 nanorods (NRs). Such NR-based coatings exhibit an increasing initial hydrophobicity with increasing NR length, and they demonstrate a surface transition from this highly hydrophobic state to a highly hydrophilic one under selective UV-laser irradiation. This behaviour is reversed under long dark storage. Infrared spectroscopy measurements reveal that light-driven wettability changes are accompanied by a progressive hydroxylation of the TiO2 surface. The surfactant molecules that cover the NRs do not appear to suffer for any significant photocatalytic degradation. © 2008 Springer Science+Business Media, LLC.
CITATION STYLE
Caputo, G., Nobile, C., Buonsanti, R., Kipp, T., Manna, L., Cingolani, R., … Athanassiou, A. (2008). Determination of surface properties of various substrates using TiO 2 nanorod coatings with tunable characteristics. In Journal of Materials Science (Vol. 43, pp. 3474–3480). https://doi.org/10.1007/s10853-007-2335-x
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