主要研究了在纳米多孔Ti02/Ti电极上外加阳极偏压对亚甲基蓝光催化降解的影响.另外还讨论了在TiO2/Ti中掺杂过渡族金属离子对亚甲基蓝降解情况的影响.降解程度通过亚甲基蓝的褪色情况来表征.实验结果表明,降解效率随着所加阳极偏压的增大而增大,直到阳极偏压达到3.5 V,增大速率开始减小.掺杂Mn2+和Cr3+可以促进光电催化效率,而掺杂Ni2+却会降低光电催化效率.离子半径和各离子的功函数可以解释这种现象.
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