以甘氨酸和乙二胺为模型分子,在中性条件下采用水热法.研究有机小分子对羟基磷灰石(HAP)晶体生长形貌的影响.采用透射电子显微镜(TEM)、X射线衍射仪(XRD)和傅里叶变换红外光谱仪(FTIR)分析了合成产物的形貌、结构和组成.实验结果表明,甘氨酸诱导合成的HAP呈六方棒状,长500~2000nm,直径为50~100nm;在乙二胺的诱导下合成了长100~250nm,宽30~50nm的片状HAP晶体.对照空白实验可知,小分子上的极性基团通过静电吸附或分子占位显著影响HAP的形貌.
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