Structural characterization of silicon-substituted hydroxyapatite synthesized by a hydrothermal method

被引：133

作者：

Tang, XL ^{[1
]}

Xiao, XF ^{[1
]}

Liu, RF ^{[1
]}

机构：

[1] Fujian Normal Univ, Coll Chem & Mat Sci, Fuzhou 350007, Peoples R China

来源：

MATERIALS LETTERS | 2005年 / 59卷 / 29-30期

关键词：

silicon; hydroxyapatite; hydrothermal; thermal properties; microstructure;

D O I：

10.1016/j.matlet.2005.06.060

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Silicon-substituted hydroxyapatite (Si-HA) was prepared successfully by hydrothermal method. The crystalline phase, microstructure, chemical composition, morphology and thermal stability of Si-HA were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM) and differential scanning calorimetry (DSC). The results show that the substitution of the silicate groups for the phosphate groups causes some OH- loss to maintain the charge balance and changes the lattice parameters of HA. Furthermore, the substitution of the silicate groups restrains the growth of Si-HA crystal. DSC analysis shows that the small amount of silicon incorporates into HA lattice does not influence the thermal stability of HA. (C) 2005 Elsevier B.V. All rights reserved.

引用

页码：3841 / 3846

页数：6

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