以CTAB为表面活性剂,利用模板技术水热反应合成了平均粒径为68 nm的近球形颗粒和宽为26～35 nm,长为790～960 nm的纳米羟基磷灰石.通过对合成粉体的X射线衍射、红外光谱和透射电镜分析,探讨了CTAB在水热反应中对羟基磷灰石合成的影响机理.结果表明:通过控制反应温度、pH值、反应时间和CTAB的浓度等工艺条件,可以实现纳米羟基磷灰石粒径大小和形貌的可控生长.
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