Fabrication and characterization of 1D brushite nanomaterials via sucrose ester reverse microemulsion

Huang, N. and Lim, H. and Kassim, A. and Hashim, R. and Radiman, S. and Khiew, P. and Chiu, W. (2009) Fabrication and characterization of 1D brushite nanomaterials via sucrose ester reverse microemulsion. Ceramics International, 35 (7). pp. 2891-2897. ISSN 02728842,

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In the present study, 1-dimensional (1D) brushite nanomaterials were fabricated through sucrose ester based reverse microemulsion for the first time. X-ray diffraction patterns revealed that the nanomaterials possessed brushite crystal phase with trace amount of hydroxyapatite. The size and morphology of brushite crystals were governed by the changes in the aqueous-to-sucrose ester weight ratio at low initial reactant concentration, giving rise to rod-like and fibre-like 1D nanomaterials. Brushite nanorods and nanofibres with average diameters of 25.53 ± 4.60 nm (aspect ratio � 6) and 76.18 ± 19.74 nm (aspect ratio � 40), respectively, had been synthesized. As the reactant concentration increased, it became the key factor in controlling nucleation and crystal growth, rendering the aqueous-to-sucrose ester ratio unimportant. Formation mechanism of various morphologies of brushite crystals is postulated. © 2009 Elsevier Ltd and Techna Group S.r.l.

Item Type: Article
Uncontrolled Keywords: Brushite Calcium phosphates Low dimensional nanomaterials Microemulsion Sucrose ester 1D nanomaterials Average diameter Crystal phase Formation mechanism Key factors Nano-materials Nanofibres Reactant concentrations Reverse microemulsions Sucrose esters Trace amounts Weight ratios Alumina Calcium Calcium alloys Calcium phosphate Crystals Diffraction Esterification Esters Grain boundaries Holographic interferometry Hydroxyapatite Microemulsions Morphology Nanostructured materials Pressure drop Sugar (sucrose) Aspect ratio
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: miss munirah saadom
Date Deposited: 01 Apr 2013 04:06
Last Modified: 01 Apr 2013 04:06
URI: http://eprints.um.edu.my/id/eprint/5263

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