Synthesis, characterization, of Fluorohydroxyapatite nanopowders by sol-gel processing

International Journal of Nano Dimension

مقاله 13، دوره 5، Issue 3، مهر 2014، صفحه 291-296   

نوع مقاله: Reasearch Paper

شناسه دیجیتال (DOI): 10.7508/ijnd.2014.03.012

نویسندگان

Z. Shokri Aghbolagh¹؛ A.R. Mahjoub²؛ Sh. Ghammamy^{* 3}

¹Department of Chemistry, Payame Noor University, Abhar, Zanjan, Iran.

²Department of Chemistry, Faculty of Science, Tarbiat Modares University, Tehran, Iran.

³Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, Iran.

چکیده

In this work, sol-gel processing was used to synthesize the fluorohydroxyapatite (nano-FHA, Ca₁₀(PO₄)₆(OH)_2−xF_x) nanopowders. The advantages of the sol-gel method over other methods are precise control of composition, low processing temperature, and better homogeneity. Calcium nitrate tetrahydrate, phosphorous pentoxide and Tetrabuthylammonium fluoride were used, respectively, as P, Ca, and F precursors with a Ca:P ratio of 1.67. The FHA powders were calcined at temperatures of 600ºC. The characterization and structural features of the synthesized powders were evaluated using powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) spectra and scanning electron microscopy (SEM) techniques. The thermal stability of FHA powders was studied through diffraction thermal analysis (DTA) and the optimized calcination temperature was found 600ºC, we used thermal gravimetric analysis (TGA) experiment in three heating rate 7, 10, 15 (ºC) on minute. The in vitro behavior of powder was investigated with mouse fibroblast cells.

کلیدواژه‌ها

Fluorohydroxyapatite؛ Nanopowders, Sol-gel؛ Synthesize؛ X-ray diffraction (XRD)؛ Scanning Electron Microscopy (SEM)