Abstract
Sol–gel synthesis route was suggested to prepare calcium hydroxyapatite (Ca10(PO4)6(OH)2, CHA) thin films on quartz substrates. CHA thin films were obtained using dip-coating and spin-coating techniques by coating the substrates 1, 5, 15 and 30 times. In the sol–gel process, the ethylenediaminetetraacetic acid and 1,2-ethandiol as complexing agents were used. Moreover, triethanolamine and polyvinyl alcohol were used as gel network forming materials. After each coating procedure the films were annealed at 1,000 °C. The results obtained from dip-coating and spin-coating techniques were compared in this study. It was demonstrated, that the formation of calcium hydroxyapatite depends on dipping (or spinning) time and annealing duration.
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