Controlled synthesis of V6 O13 nanobelts by a facile one-pot hydrothermal process and their effect on thermal decomposition of ammonium perchlorate
V6 O13 nanobelts were successfully synthesized using V2 O5, oxalic acid and water as the starting materials by a facile one-step hydrothermal approach for the first time. The samples were separately characterized by Energy dispersive spectrometer (EDS), X-ray photoelectron spectroscopy (XPS), X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results showed the as-obtained V6 O13 consisted of a large quantity of uniform nanobelts with the typical length up to several micrometers, width about 150 - 250 nm, and thicknesses about 20 - 40 nm on average. It was found that oxalic acid played a crucial role in controlling the formation of phase-pure V6 O13. The influence of V6 O13 nanobelts on the thermal decomposition of ammonium perchlorate (AP) was investigated by the Thermo-Gravimetric Analysis and Differential Thermal Analysis (TGA/DTA). The thermal decomposition temperatures of AP in the presence of 1, 3, 5 and 10 wt% of V6 O13 nanobelts were reduced by 41, 67, 85 and 97 C, respectively. The results indicated that the adding amount of V6 O13 nanobelts had greater influence on the thermal decomposition of AP, and this material had better effect in decomposition of AP as compared with other vanadium oxides.
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Document Type: Research Article
Publication date: April 1, 2015
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