Preparation and Enhanced Catalyst Effect of Assembled Hydroxylapatite Microsphere Chains
Abstract:The hydroxyapatite (HAP) assembled microsphere chains with high surface area and large size in length (20–35 μm) were prepared by a facile and efficient cooperation template method. The products were characterized by XRD, TEM, SEM, FT-IR, EDS, BET, etc. The possible mechanism for the formation of HAP assembled microsphere chains was also discussed. In addition, the products were used as carried materials to synthesize HAP/TiO2 (anatase phase) composite catalyst, the bandgap of TiO2 nanomaterials was enlarged. The degradation speed of methyl orange (MO) was increased to 150% when using the composite as catalyst compared with using TiO2 nanoparticles. At the same time, the composite catalyst can be separated and recycled more easily than existing carry materials.
Document Type: Research Article
Publication date: 2012-03-01
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