Synthesis of hydroxyapatite nano powders by rapid gel combustion
by Ömer Yildiz; Orçun Ziğindere
International Journal of Biomedical Nanoscience and Nanotechnology (IJBNN), Vol. 3, No. 4, 2017

Abstract: In this study, we have executed a very detailed literature research on the synthesis of hydroxyapatite (HA), {Ca10(PO4)6(OH)2} nano powders. HA is a very important bioceramic material with excellent biocompatibility and bone bonding ability used in the medical field as bone substitute materials, because of its structural and compositional similarity to that of the mineral phase of hard tissue in human beings. HA nano powders (n-HAPs) in soft agglomerate form were synthesised by 'Rapid Gel Combustion' process. Synthesised n-HAPs were characterised by SEM, XRD and FTIR. The n-HAPs have white colour, spherical morphology consisting of micro and nano pores, crystallite size of 42.74 nm, very high specific surface area of 74.06 m2.g−1, Ca/P molar ratio of 1.65 and crystalline structure with characteristic HA peaks (JCPDF 9-432) without any secondary phases. FTIR spectra demonstrated the characteristic peaks of absorbed water, hydroxyl and Ca-phosphate.

Online publication date: Thu, 20-Jul-2017

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