Synthesis and characterization of TiO2–derived nanotubes via a hydrothermal methodششمین کنگره بین المللی مهندسی شیمی
In this paper, nanotubes were synthesized directly using a cheap precursor via a simple hydrothermal process without using any sacrificial templates. The synthesized materials were characterized by X–ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microcopy (TEM), energy– dispersive X–ray spectroscopy (EDX), and accelerated surface area and porosimetry (ASAP). Transmission electron microscope observations showed that nanotubes were formed with an inner diameter of 2–3.5 nm, an outer diameter of 8–10 nm, and an open ended shape. The nanotubes showed a IV–type isotherm with a H3 type hysteresis loop according to the BDDT (Brunauer, Deming, Deming, and Teller) classification, indicating the presence of mesopores. Significant increases of specific surface area (277.82 m2\g) and pore volume (1.08 cm3\g) have potential applications such as in catalysts, as sensors, high efficient solar cells, for hydrogen storage, as absorbents, etc.<\div>
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