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Hydroxyapatite growth on multiwall carbon nanotubes grown on titanium fibers from a titanium sheet |
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| Authors: | Loubna Chetibi Amine Achour Jerzy Peszke Djamel Hamana Slimane Achour |
| Affiliation: | 1. Unit of Materials Science and Applications, University of Constantine, 25000, Constantine, Algeria 2. LAAS-CNRS, 7 Avenue du Colonel Roche, 31400, Toulouse, France 3. Facility of Solid State Physics, University of Silesia, Bankowa Str. 12, 40-007, Katowice, Poland 4. Dynamax Nanotechnology, Konduktorska Str. 39a, 40-155, Katowice, Poland 5. Ceramic Laboratory, University of Constantine, 25000, Constantine, Algeria |
| Abstract: | Nano-hydroxyapatite (HA) was grown on functionalized multiwalled carbon nanotubes (MWCNTs) deposited on TiO2 nanofibers (NFs) that were hydrothermally grown on Ti metal sheets. The HA was electrochemically grown on the MWCNTs/TiO2 porous layer. It was found that the HA grows on the MWCNTs/TiO2 NFs in the form of dense coating with nanorice grain-shaped. The incorporation of MWCNTs between HA and TiO2 NFs has led to higher adhesion strength as measured by micro-scratching test indicating the benefit of MWCNTs on the improving the bonding strength of HA layer. The obtained coatings exhibit excellent corrosion resistance in simulated body fluid. It is expected that this simple route for preparing the new HA/MWCNTs/TiO2/Ti-layered structure might be used not only in the biomedical field, but also in catalysis and biological sensing among others. |
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