利用气相扩散的方法得到一种特殊形貌的碳酸钙层状聚集体.探讨了L-天冬氨酸的浓度、反应时间对碳酸钙的形貌和晶型的影响.采用扫描电镜(SEM)、X射线粉末衍射(XRD)及红外吸收光谱(FT-IR)对合成出的样品的形貌、结构进行了表征.结果表明:L-天冬氨酸的浓度及反应时间对碳酸钙的形貌和晶型有着重要的影响,并对L-天冬氨酸浓度影响碳酸钙的形貌和晶型的机理进行了解释.
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