采用简单的一步溶液浸渍法在大孔SiO2材料上负载四羧基酞菁钴(Co(Ⅱ)-taPc),制备出复合材料Co(Ⅱ)-taPc/SiO2.通过扫描电镜、透射电镜、紫外-可见漫反射光谱、拉曼光谱对该大孔催化剂进行了表征.实验证明Co(Ⅱ)-taPc分子与SiO2载体存在较为匹配的相互作用,因而负载后其分散性好、稳定性高,该负载型催化剂在2-巯基乙醇催化氧化实验中表现出模拟酶的反应动力学特性,遵循米氏方程动力学规律,并且在一定范围内其催化活性随负载量的增大而增强.
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