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[References: 23 tit.]

The deposition of nanostructured thin films with specific optical properties is of great importance for solar cell technology. In this work, the authors used a direct current hollow cathode plasma jet with a supporting anode to deposit highly microcracked columnar titanium dioxide thin films. For diagnostics of the morphology and crystalline structure of the films, they used scanning electron microscopy and x-ray diffraction methods. The light-harvesting ability of the films was tested in dye-sensitized solar cells at the AM 1.5 G conditions, where TiO2 was used as the photoelectrode. Photovoltaic tests were performed using platinum counter electrodes and an N719 dye-sensitizer. The effect of microcracks on the conversion efficiency and angular response of solar cells was discussed.