采用溶液法制备了Fe-Ni共掺杂ZnO光催化剂,并运用X射线衍射、扫描电镜和原子发射光谱等对催化剂进行了表征.以甲基橙(MO)为模型污染物,评价了样品的光催化活性,考察了甲基橙初始浓度及其pH值,以及催化剂用量等对光催化反应性能的影响.结果表明,Fe-Ni共掺杂降低了ZnO的结晶度,并促进了晶粒的长大.光催化降解反应表明,Fe-Ni共掺杂显著提高了ZnO光催化降解甲基橙的活性,当催化剂用量为0.6g/L,经120min紫外光照射时,可使甲基橙溶液(10mg/L)降解率达到93.5%.
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