Al2O3气凝胶是一种新型、轻质的纳米多孔材料,具有许多独特的物理、化学性质和潜在的应用价值.综述了Al2O3气凝胶的超临界干燥及非超临界干燥制备方法以及各种制备参数(醇铝盐与水的比例、醇盐的类型、溶剂的类型、温度、乙醇的用量、由催化剂所决定的溶液的pH值、老化时间以及干燥过程)对Al2O3气凝胶性质的影响,并探讨了Al2O3气凝胶进一步研究的方向.
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