期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 22, 期 23, 页码 11556-11560出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm31224g
关键词
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资金
- Georgia Institute of Technology
- Solvay Advanced Polymers Young Faculty Award
- National Science Foundation [CMMI-0800019]
- European Union (EU)
- Institute of Paper Science and Technology (IPST) at Georgia Institute of Technology
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [0800019] Funding Source: National Science Foundation
In this research, a nanoparticle synthesis method was explored in order to produce nanoparticles with different shapes and polymer-coated surfaces. Specifically, a poly(ethylene oxide)-b-poly(methacrylic acid) (PEO-b-PMAA) block copolymer was employed as a dispersed template for the controlled synthesis of hydroxyapatite (HAp) nanoparticles in water. Six different synthesis conditions were used to produce different nanoparticle shapes, and characterization of these nanoparticles was performed to understand the level of morphological control available with this synthesis method. SEM images showed that needle and spherical nanoparticles could be produced by changing the block copolymer concentration. The shape of the nanoparticles produced by this synthesis method was shown to be related to the relative concentrations of the calcium precursor and the block copolymer used. Significant quantities of the block copolymer used for synthesis remained on the particle surface, constituting a functionalized moiety and providing an opportunity to control component interactions in composites.
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