Research Article

Fabrication of Bilayer Coating of Poly(3,4-ethylenedioxythiophene)-Halloysite/Chitosan and Mg2+/Sr2+-Doped HAP on Titanium Alloy for Biomedical Implant Applications: Physicochemical and In Vitro Biological Performances Studies

Figure 2

FTIR spectra of (a) PEDOT-HNT, (b) CS-MHA, and (c) PEDOT-HNT/CS-MHA bilayer composite coatings.