In our work we present the synthesis of perovskite nanorods (BaTiO[sub]3, SrTiO[sub]3 and CaTiO[sub]3) by sol-gel electrophoretic deposition into template membranes. For that we used several ...processing methods: sol-gel processing, electrophoretic deposition and template-based growth. The growth of the nanorods occurred at a working electrode of aluminum, on which we attached a polycarbonate membrane. Pt mesh was used as the counter electrode. The track-etched hydrophilic polycarbonate (PC) membranes were used as template membranes, with pore diameters of 200 nm and a thickness of 10 [mu]m. For the electrophoretic growth the potentials of 2 V, 5 V and 30 V were applied between the electrodes, and this was maintained for 30 min. After the deposition, the samples were annealed at elevated temperatures. This heating procedure was done in order to burn off the polycarbonate membrane and to make the nanorods dense and crystalline. The samples were then characterized by X-ray diffraction (XRD), differential thermal analysis (DTA), scanning (SEM) and transmission (TEM) electron microscopy. Crystalline perovskite phases were confirmed by XRD analysis. By using SEM we found that the perovskite nanorods grown in a PC membrane have a uniform diameter throughout their entire length. We also observed that higher potential leads to a layered formation of perovskite on the membrane surface after the pores are filled. By using TEM and electron diffraction analysis, we found that these nanorods are dense and polycrystalline, with the grain size ranging between 25 nm up to 50 nm. The size of nanorods is approximately 10 [mu]m with a diameter of an individual nanorod in the range of 100 nm to 180 nm.
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