Hydrothermal synthesis of nanosized pure and cobalt-exchanged hydroxyapatite
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АуториStojanović, Zoran S.
Чланак у часопису (Објављена верзија)
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Pure and cobalt-exchanged hydroxyapatite (HAp and CoHAp) powders were synthesized by hydrothermal method. X-ray diffraction (XRD), Raman spectroscopy, particle size analysis, inductively coupled plasma (ICP) emission spectroscopy, and scanning electron microscopy (SEM) were used to study the microstructural and unit cell parameters, average particle size, particle size distribution, chemical composition, and morphology of the synthesized powders. XRD and Raman spectroscopy confirmed that the samples were free from impurities and other phases of calcium phosphates. It has been found that the increase in the cobalt amount in the crystal structure of HAp reduces unit cell parameters, as well as average crystallite size (from XRD measurements). All of the powders were nano-sized with narrow particle distribution (from particle size analyses). SEM investigations indicated that nano-sized particles were organized in soft micro-sized agglomerates, whose sizes increased with the increase in th...e content of Co in HAp crystal structure.
Кључне речи:Raman spectroscopy / XRD / particle size distribution / hydroxyapatite / hydrothermal synthesis
Извор:Materials and Manufacturing Processes, 2009, 24, 10-11, 1096-1103
- Philadelphia : Taylor & Francis
- Синтеза функционалних материјала са контролисаном структуром на молекуларном и нано нивоу (RS-142006)