Fabrication of a Ternary Hybrid Semiconductor ZnFe2O4/CdS-TiO2 NTs Structure on the Ti-5Zr Alloy
ZnFe2O4 and CdS nanoparticles were loaded onto TiO2 nanotubes (NTs) formed on Ti-5Zr alloy. The ZnFe2O4 and CdS
nanoparticles were obtained by electrodeposition and chemistry bath deposition (CBD) methods, respectively. For the electrodeposition
of Fe-Zn alloys, transitional steady current density decreased while the concentration of Zn ion in the electrolyte increased. Meanwhile,
Fe/Zn ion ratio in the electrolyte determined the composition of Fe-Zn alloys; optimum electrodeposited Fe-Zn alloys for ZnFe2O4 formation
were obtained by tuning the deposition variables. The mean diameters of ZnFe2O4 and CdS were about 160 nm and 25 nm, respectively.
Study on scanning electron microscopy (SEM), X-ray diffraction (XRD), and high-resolution transmission electron microscopy
(HRTEM) indicated that the prepared samples were highly ordered TiO2 NTs composite with ZnFe2O4 and CdS nanoparticles loading on.
Keywords: CBD, CdS, electrodeposition, Fe-Zn alloys, TiO2 nanotubes, ZnFe2O4
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