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Ag nanoparticles were incorporated into the channels of mesoporous SBA-15 by the “pH-adjusting” method. In this procedure, the pH value of the solution was adjusted up to 7.5 by adding ammonia. The structural properties of Ag/SBA-15 nanocomposites were systematically investigated by X-ray powder diffraction (XRD), Transmission electron microscope (TEM), N 2 adsorption-desorption isotherms,...
Urchin-shaped CaCO 3 microspheres were successfully synthesized by a facile low-temperature solution-phase method. The product was characterized with X-ray diffraction (XRD), Raman spectra and high resolution transmission electron microscopy (HRTEM). The characterization results revealed that the structure of the urchin-shaped CaCO 3 was grown along the (104) crystal plane with a calcite...
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