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Journal of Inorganic Materials

Journal of Inorganic Materials >

2009 , Vol. 24 >Issue 5: 893 - 896

DOI: https://doi.org/10.3724/SP.J.1077.2009.00893

Research Paper

Preparation and Characterization of Apatite Coated Rutile TiO2 Composite Powders

  • SHI Fu-Zhi ,
  • ZHANG Qing-Hong ,
  • LI Yao-Gang ,
  • WANG Hong-Zhi
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  • (State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Engineering Research Center of Advanced Glasses Manufacturing Technology, Ministry of Education, Donghua University, Shanghai 201620, China)

Received date: 2009-01-16

  Revised date: 2009-03-02

  Online published: 2009-09-20

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Abstract

The composite of nanocrystalline apatite coated rutile TiO2 was prepared by soaking TiO2 nanosized powders into the simulated body fluid (SBF) at 37℃ for the different duration times. The as-prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), highresolution transmission electron microscope (HRTEM), energy dispersive X-ray (EDX), fourier transform infrared (FTIR) spectroscope, inductively coupled plasma atomic emission spectrometer (ICP-AES) and N2 adsorption measurements. XRD result shows that the content of the apatite coated on the rutile TiO2 increases with prolonging the soaking time in the SBF. It is demonstrated that composite powders have included some apatite through the absorption peaks of the O-H and PO43-of the apatite in the FTIR spectrum. ICP-AES result shows that Ca and P concentrations decrease with prolonging the soaking time in SBF. It is evident from the TEM and EDX that there is some apatite coated on the surfaces of the rutile TiO2. HRTEM result indicates that the interplanar spacing of (211) of the apatite is 0.27nm and the diameter of apatite nanoparticles is about 40nm.

Key words： rutile; apatite; SBF; titanium dioxide

Cite this article

SHI Fu-Zhi , ZHANG Qing-Hong , LI Yao-Gang , WANG Hong-Zhi . Preparation and Characterization of Apatite Coated Rutile TiO2 Composite Powders[J]. Journal of Inorganic Materials, 2009 , 24(5) : 893 -896 . DOI: 10.3724/SP.J.1077.2009.00893

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