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In the present work, graphene oxide (GO) is synthesized from the Modified-Hummers method, varying the type of solvent and the number of washes involved in obtaining the GO, also evaluating the effect of the solvent on the morphological and structural properties. X-ray diffraction confirms the increase of the interplanar distance (3.15–7.8 Å) with respect to the graphite peak (002), which corroborates...
Highly pure (K, Na)NbO3 lead-free piezoelectric ceramic powders have been successfully synthesized by solvothermal treatment at 220°C for 10 h using distilled water, ethanol, glycol or isopropanol as the solvent. The powders were characterized using X-ray powder diffraction (XRD), Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), differential scanning...
In order to investigate the solubility of CaSO4·2H2O at different contents of H3PO4 and HNO3 aqueous medium, a series of tests was designed for determining the solubility of CaSO4·2H2O at 25°C and 65°C in different acidic concentration solvents, the crystal morphology of the deposition solid-phase after liquid-solid equilibrium was examined by microscope, and the crystalline of the deposition solid-phase...
In this paper, highly dispersed copper oxide (CuO) nanoparticles with different size and morphology have been successfully prepared by a quick-precipitation method in DMAC-water mixed solvent. The as-prepared CuO nanoparticles were characterized by high resolution transmission electron microscopy (HRTEM) and x-ray diffraction (XRD). Several kinds of CuO particles with different morphology were obtained...
Under near ambient temperature and ultrasonication, the La(Oxin)3middot3H2O (lanthanum 8-quinolinolate) nanocrystallite was synthesized by solid-state reaction. The solid phase was characterized by powder X-ray diffraction (XRD) and electron diffraction (ED). The particle size, its distribution, and morphology of the prepared nanocrystallite were observed by transmission electron microscopy (TEM)...
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