采用溶胶-凝胶法制备了过渡金属Ni掺杂纳米TiO2光催化剂(Ni-TiO2),采用XRD、纳米粒度、UVVis和PL对其进行了表征和分析,并以亚甲基蓝(MB)作为目标降解物,研究了Ni掺杂量以及热处理温度对NiTiO2性能的影响.结果表明:当pH=2.5、n(Ni)∶n(Ti)=1％、热处理温度为500℃时制备的样品在普通日光灯下、5h内对MB的光催化降解率达到92.54％,明显优于Degussa P25在相同条件下的降解率(50.69％).
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