Abstract
Herein, a laser-induced chemical liquid-phase deposition (LCLD) technology was developed to synthesize a calcium phosphate (CaP)-based coating on Ti. Petal-like deposits were formed directly on the recast layer of Ti in a solution containing Ca and P under laser irradiation. The recast layer, containing elements in the deposit and Ti, acted as an interfacial layer between the coating and substrate. An increase in the laser power density increased the uniformity and size of the deposits. Zn ions can be incorporated into CaP deposits during LCLD, providing antibacterial activity against Escherichia coli and improving the corrosion resistance of Ti. Both CaP and Zn-doped CaP coatings exhibited good bioactivity owing to the high surface area of the petal-like deposits.
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