Scalable preparation of SrTiO3 submicro-wires from layered titanate nanowires

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Abstract

SrTiO3 submicro-wires were prepared by the reaction of layered titanate nanowires with Sr(OH)2 powder in an autoclave. The wires were investigated using X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), Ultra-violet visible (UV-vis), photoluminescence (PL) and Raman spectroscopy. The XRD measurement shows that the prepared SrTiO3 submicro-wires hardly have impurity phases. The SEM and TEM images demonstrate that the scalable wires, which need to be processed at the reaction temperature of 180 °C for about 48 hours, are not composed of single crystals. The PL shows that the wire-like SrTiO3 has emission peaks at the wavelengths of 568 and 585 nm. Further, the Raman spectroscopy reveals structural changes in the products through different reaction time.

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Tang, M. Y., Ji, T. H., & Xie, J. (2007). Scalable preparation of SrTiO3 submicro-wires from layered titanate nanowires. Chinese Journal of Aeronautics, 20(2), 177–180. https://doi.org/10.1016/S1000-9361(07)60029-6

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