ISSN 0253-2778

CN 34-1054/N

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Synthesis of truncated anatase bipyramids with exposure of 111 facets

  • Polyhedrons of truncated anatase bipyramids with exposure of 111 facets were hydrothermally synthesized from hydrolysis of TiF4 in the presence of NH4F, HCl, and tri-block copolymer P123 using citric acid monohydrate as a stabilizer. The phase, crystal structure, morphology, chemical composition and property of the anatase polyhedrons were characterized by various techniques of X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), scanning electron microscopy (SEM), selected area electron diffraction (SEAD), energy-dispersive X-ray spectrometry (EDX) and UV radiations, and their high performances in photo-degradation of methylene blue (MB) under alkaline conditions were specifically recognized.
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