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Synthesis of high purity hydroxyapatite nanopowder via sol–gel combustion process

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Abstract

A polymeric sol–gel combustion method has been used to synthesize nanocrystalline hydroxyapatite (HA) powder from calcium nitrate and triethyl phosphate with the addition of NH4OH. The sol–gel combustion process generates phase-pure nanocrystalline HA powder, as characterized using Fourier transform infrared (FTIR), X-ray diffraction (XRD), and transmission electron microscopy (TEM). Sintering of the HA powder compact at 1200°C for 2 h leads to a 93% theoretical dense ceramic body. This method offers an easy route for the preparation of phase-pure nanocrystalline HA powder.

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  1. Department of Chemical, Materials and Biomolecular Engineering, Institute of Materials Science, University of Connecticut, Storrs, CT, 06269, USA

    Jiwen Wang & Leon L. Shaw

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  1. Jiwen Wang
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  2. Leon L. Shaw
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Correspondence to Leon L. Shaw.

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Wang, J., Shaw, L.L. Synthesis of high purity hydroxyapatite nanopowder via sol–gel combustion process. J Mater Sci: Mater Med 20, 1223–1227 (2009). https://doi.org/10.1007/s10856-008-3685-x

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  • DOI: https://doi.org/10.1007/s10856-008-3685-x

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