Preparation and characterization of a novel double-walled Na 2 (TiO)SiO 4 nanotube by hydrothermal process with CTAB as an assistant
Source abstract
Abstract
Abstract A double-walled Na 2 (TiO)SiO 4 nanotube was prepared by an effective hydrothermal process with cetyltrimethyl ammonium bromide (CTAB) as an assistant. The precursor SiO 2 -TiO 2 composite powder with diverse Si/Ti molar ratios was prepared by co-precipitation method using silica sol and titanyl sulfate as raw materials. Then it was added into the NaOH aqueous solution with CTAB for hydrothermal reaction. The Na 2 (TiO)SiO 4 nanotubes were characterized by X-ray diffraction (XRD), thermogravimetric and differential scanning calorimeter (TG-DSC), transmission electron microscope (TEM), high resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), nuclear magnetic resonance ( 29 Si-NMR), Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy and N 2 adsorption-desorption. The results showed that the Na 2 (TiO)SiO 4 nanotubes are of large specific surface area, double-wall and Q 0 structure. The length of Na 2 (TiO)SiO 4 nanotubes can be controlled by adjusting the Si/Ti molar ratios from 100 nm to several hundred nanometers. A possible formation mechanism of the novel double-walled Na 2 (TiO)SiO 4 nanotubes was also proposed.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Zeolite Catalysis and Synthesis · Advanced Battery Materials and Technologies · Chemical Synthesis and Characterization
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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