溶胶凝胶法合成含锌羟基磷灰石粉体

稀有金属材料与工程, 2009, 38(z1): 183-187.

溶胶凝胶法合成含锌羟基磷灰石粉体

李明欧 ^1, , 肖秀峰 ^2, , 刘榕芳 ^3, , 陈翠玉 ^4,

1.福建师范大学,福建,福州,350007

2.福建师范大学,福建,福州,350007

3.福建师范大学,福建,福州,350007

4.福建师范大学,福建,福州,350007

基金项目: 卫生部科学研究基金(WKJ2005-02-008) 福建省发改委资助项目(2004[477]) 国家自然科学基金(30600149)

关键词：羟基磷灰石 , 锌 , 溶胶凝胶法

Sol-Gel Synthesis of Zinc-Substituted Hydroxyapatite

以Ca(NO3)2·4H2O、P2O5和Zn(N03)2·6H2O的乙醇溶液为原料,用溶胶凝胶法合成含锌羟基磷灰石(Zn-HA)粉体.采用X-射线衍射(XRD)、透射电镜(TEM)、红外光谱(FTIR)、热重差热(TG-DTA)对Zn-HA的晶相、形貌、化学组成和热稳定性进行了分析.结果表明:锌取代部分钙进入HA的晶格中降低了磷灰石的颗粒尺寸;当锌含量低于40%时,不会改变HA的晶体结构,但因锌离子半径小于钙离子半径,导致HA的结晶度降低,微晶尺寸减小.TG-DTA分析表明,锌掺入降低姒的热稳定性.

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材料期刊网

溶胶凝胶法合成含锌羟基磷灰石粉体

Sol-Gel Synthesis of Zinc-Substituted Hydroxyapatite

参考文献