Synthesis and characterization of HAp nanorods from a cationic surfactant template method

Details Synthesis and characterization of HAp nanorods from a cationic surfactant template method Synthesis and characterization of HAp nanorods from a cationic surfactant template method

2010-05-29

arxiv.org/abs/1005.5465v1

Physics

Condensed Matter

Materials Science

6 figures, one table

Scientific paper

Hydroxyapatite (HAp) [Ca10(PO4)6(OH)2] nanorods were synthesized using a surfactant templating method, with cetyltrimethylammonium bromide (CTAB) micelles acting as template for HAp growth. The effects of the sintering temperature on the morphological and crystallographic characteristics and on chemical composition of the "as-prepared" structures are discussed. The experimental results show that low heat-treatment temperatures are preferred in order to obtain high quality nanorods, with diameters ranging between 20 nm and 50 nm. High heat-treatment temperatures enhance the thermal decomposition of HAp into other calcium phosphate compounds, and the sintering of particles into micrometer ball-like structures. The stability of aqueous suspensions of HAp nanorods is also discussed.

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