以Al(NO3)3·9H2O和尿素为原料、无水乙醇-水混合液为溶剂,采用溶剂热法150℃、6h条件下制备了叶片状分级结构γ-AlOOH.通过X射线衍射(XRD)、透射电镜(TEM)及紫外-可见吸收光谱测试(UV-vis)等手段对所得产物进行表征,研究了尿素对纳米γ-AlOOH形貌以及对刚果红吸附性能的影响.实验结果表明,当尿素摩尔量为0.4 mmol时产物为叶片状分级结构γ-AlOOH,由长度在1.5～2 μn范围、厚度约几个nm的纳米片自组装而成,且对刚果红表现出吸附性能最佳,其吸附率为98％.
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