Synthesis and characterization of HAp nanorods from a cationic surfactant template method.
J Mater Sci Mater Med
; 21(9): 2543-9, 2010 Sep.
Article
em En
| MEDLINE
| ID: mdl-20623177
ABSTRACT
Hydroxyapatite (HAp) [Ca(10)(PO(4))(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 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.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Tensoativos
/
Compostos de Cetrimônio
/
Nanotubos
Idioma:
En
Ano de publicação:
2010
Tipo de documento:
Article