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Solvothermal Synthesis and Characterization of Hierarchically Nanostructured Hydroxyapatite Hollow Spheres
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Materials Chemistry, Structural Chemistry. (strukturkemi)
2009 (English)In: European Journal of Inorganic Chemistry, ISSN 1434-1948, E-ISSN 1099-0682, no 36, 5522-5526 p.Article in journal (Refereed) Published
Abstract [en]

Hierarchically nanostructured hydroxyapatite (HA) hollow spheres assembled from nanorods have been successfully synthesized using CaCl2, NaH2PO4, and potassium sodium tartrate via a solvothermal method at 200 °C for 24 h in water/N,N-dimethylformamide (DMF) mixed solvents. The ratio of water to DMF plays a key role in the formation of hierarchically nanostructured HA hollow spheres. The potassium sodium tartrate was used as a chelating ligand and a template molecule in the synthesis and self-assembly of HA nanorods. The products were characterized by X-ray powder diffraction, and field-emission scanning electron microscopy (FESEM), transmission electron microscopy, high-resolution transmission electron microscopy (HRTEM), energy-dispersive X-ray spectra (EDS), Brunauer-Emmett-Teller (BET), and Fourier transform infrared spectrometry. FESEM and TEM images indicated that hollow spheres of about 3.6 μ m in diameter were built by HA nanorods. On the basis of experimental results, a possible formation mechanism of these hierarchically nanostructured HA hollow spheres in the growth processes was proposed.

Place, publisher, year, edition, pages
Wiley-VCH Verlag GmbH & Co , 2009. no 36, 5522-5526 p.
Keyword [en]
Materials science; Nanostructures; Self-assembly;
National Category
Inorganic Chemistry
Research subject
Inorganic Chemistry
URN: urn:nbn:se:uu:diva-121083DOI: 10.1002/ejic.200900839ISI: 000273378100007OAI: oai:DiVA.org:uu-121083DiVA: diva2:304508
Available from: 2010-03-18 Created: 2010-03-18 Last updated: 2013-06-11Bibliographically approved

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Publisher's full texthttp://www3.interscience.wiley.com/journal/122674885/abstract

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Zhu, Jie-Fang
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