介孔材料的调孔方法及机理

Methods and Mechanisms of Tuning Pore Size of Mesoporous Materials

介孔材料孔径调节可通过改变表面活性剂及添加辅助剂来实现,其作用机理是在介孔材料形成过程中改变胶束的大小;改变组成配比和温度等反应条件也能实现调孔,这可能涉及合成机理的变化。相比而言,前2种方法运用得较多,也更有效。

Adjusting pore sizes of mesoporous materials can be achieved by changing surfactant and adding auxiliary agents, corresponding mechanism of which is to change the sizes of micelles in the formation of mesoporous materials; changing composition ratio and temperature can also adjust pore size, and changes in synthesis mechanism may be involved. In contrast, the former two methods are used more and also efficient.