用钛酸四丁酯为前驱物,无水乙醇为溶剂,乙酰丙酮为稳定剂,浓硝酸、浓盐酸、冰醋酸为催化剂,采用溶胶-凝胶法制备TiO2粉末.分析了在酸性条件下,催化剂的种类和加入量对凝胶时间和TiO2粉末粒径大小的影响.用该方法制备的TiO2纳米粉末,粒径大小为3～20nm.
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