模拟体液法合成晶须状类骨纳米羟基磷灰石的研究Study of Bone-like HAp Whiskers Synthesized in Simulated Body Fluid
王峰,李木森,吕宇鹏,白允强
摘要(Abstract)：
通过增加模拟体液中钙盐和磷盐的浓度,在模拟体液中合成了晶须状类骨纳米羟基磷灰石(HAp)粉体。利用X射线衍射(XRD)和红外吸收光谱(FTIR)分析粉体的物相组成和基本特征,利用透射电子显微镜(TEM)和高分辨透射电子显微镜(HRTEM)观察晶须的形貌、尺寸与生长方向,将粉体在500～900℃不同温度下热处理,研究其热稳定性。结果表明,晶须状羟基磷灰石的平均长径比为25∶1(长100nm,直径4nm),晶须沿c轴方向生长;热处理温度超过700℃,羟基磷灰石易发生分解。
关键词(KeyWords)： 模拟体液;纳米羟基磷灰石;晶须;生长方向;热稳定性
基金项目(Foundation): 国家自然科学基金资助项目(50372035);; 山东省科学技术发展计划资助项目(011120106)
作者(Author): 王峰,李木森,吕宇鹏,白允强
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