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Bismuth oxychloride (BiOCl) nanoparticles were synthesized using bismuth nitrate pentahydrate (Bi (NO3)3*5H2O) and tannic acid (C76H52O46), the latter playing the role of stabilizing agent in a highly acid environment. For the characterization of the particles several techniques were used. The X-ray diffraction patterns (XRD) confirmed the formation of BiOCl nanocrystals with an average size of 15...
A simple and non-expensive procedure was performed to synthesize hydroxyapatite (HAp) flake-like nanostructures, by using a co-precipitation method with tannic acid as stabilizing agent at room temperature and freeze drying. Samples were synthesized with two different salts, Ca(NO3)2 and CaCl2. X-ray diffraction analysis, Raman spectroscopy, scanning and transmission electron microscopy characterizations...