Electrochemical Synthesis of Micrometre Amorphous Calcium Phosphate Tubes and their Transformation to Hydroxyapatite Tubes

Gerrard Eddy Jai Poinern, Sridevi Brundavanam and Derek Fawcett

International Journal of Sciences, 2015, vol. 4, issue 02, 7-15

Abstract: Amorphous calcium phosphate tube-like structures were formed on magnesium substrates using a straightforward electrochemical process. The effect of voltage, time and the resulting hydrogen gas evolution were found to be responsible for sculpturing the tube-like structures covering the entire substrate surface. Scanning electron microscopy and Energy Dispersive Spectroscopy was used to quantify the size, shape, structure and composition of the tube-like structures. Microscopy analysis was used to develop a model to describe the mechanism behind the formation of the tube-like structures. Also investigated was a hydrothermal technique used to convert the amorphous calcium phosphate structures into hydroxyapatite. Both X-ray diffraction spectroscopy and Fourier Transform Infrared spectroscopy were used to confirm the effectiveness of the conversion process.

Keywords: Electrochemical synthesis; amorphous calcium phosphate; microstructures (search for similar items in EconPapers)
Date: 2015
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