Sm-N-TiO_2光催化剂的制备及其光催化性能研究
Materials Review(2013)
Abstract
采取N过量,改变Sm浓度的方式,借助于溶胶-凝胶法成功制备了稀土金属Sm和无机非金属N有机结合的Sm-N-TiO2样品。研究了Sm掺杂对N-TiO2光催化剂的结构、光吸收和光催化活性的影响,并对甲基橙溶液进行降解实验。结果表明,制备的Sm-N-TiO2与未掺Sm的N-TiO2相比有较高的光催化活性。掺杂1.0%(摩尔分数)Sm,650℃焙烧4h条件下得到的样品性能最佳。
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Key words
TiO2,photocatalytic,rare-earth-doping
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