Controlled growth of TiO2 nanotubes on conducting glass

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WEICKERT, Jonas, Claudia PALUMBINY, Mihaela NEDELCU, Thomas BEIN, Lukas SCHMIDT-MENDE, 2011. Controlled growth of TiO2 nanotubes on conducting glass. In: Chemistry of Materials. 23(2), pp. 155-162. ISSN 0897-4756. Available under: doi: 10.1021/cm102389m

@article{Weickert2011Contr-17976, title={Controlled growth of TiO2 nanotubes on conducting glass}, year={2011}, doi={10.1021/cm102389m}, number={2}, volume={23}, issn={0897-4756}, journal={Chemistry of Materials}, pages={155--162}, author={Weickert, Jonas and Palumbiny, Claudia and Nedelcu, Mihaela and Bein, Thomas and Schmidt-Mende, Lukas} }

eng terms-of-use Palumbiny, Claudia Bein, Thomas Weickert, Jonas Schmidt-Mende, Lukas Schmidt-Mende, Lukas Nedelcu, Mihaela Nedelcu, Mihaela 2012-03-15T20:32:43Z Publ. in: Chemistry of Materials ; 23 (2011), 2. - pp. 155-162 Palumbiny, Claudia Controlled growth of TiO<sub>2</sub> nanotubes on conducting glass Weickert, Jonas We report on nanotubular TiO2 on top of a compact TiO2 layer on conducting glass substrates. Highly regular structures were obtained from anodization of DC sputtered Ti films of thicknesses between 0.2 and 2 μm in ammonium fluoride containing ethylene glycol solutions. The influence of different anodization parameters was systematically analyzed revealing that full control over tube length, diameter, spacing, and tube wall thickness is possible. Inner tube diameters and spacing between tubes can be controlled via the anodization field. Tube wall thickness can be tuned using different anodization bath temperatures. Tube length can be adjusted by sputtering appropriate layers of Ti. The resulting TiO2 structures can be readily used in poly(3-hexylthiophene)-TiO2 hybrid solar cells and solid state dye sensitized solar cells. In contrast to anodized Ti foils the presented geometry allows the fabrication of photovoltaic devices which can be frontside-illuminated (through the glass substrate). Bein, Thomas 2012-03-15T20:32:43Z 2011

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