由于在无表面活性剂的情况下难以通过简单的溶液方法来获得一维α-Fe2O3,故本实验通过简单的两步法合成了一维α-Fe2O3粒子,即先制备易水热合成的一维α-FeOOH,然后在310℃分解制备一维α-Fe2O3粒子.TG/DTA分析显示,α-FeOOH在300℃可分解为α-Fe2O3,低的分解温度有利于保持粒子的形貌.XRD和电子显微镜分析证实,一维α-FeOOH的低温分解合成了一维多孔的α-Fe2O3粒子.
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