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采用溶剂热法制成纳米纺锤体Fe2O3,再采用溶胶-凝胶法制成Fe2O3@SrTiC3纳米复合材料,并对其进行SEM、IR、EDS、XRD表征.SEM显示制备了纳米纺锤体Fe2O3和Fe2 O3@SrTiO3纳米复合材料;IR、EDS表征都证明SrTiO3负载成功;XRD表征显示Fe2O3为赤铁矿晶型,掺杂的SrTiO3为无定形态.针对偶氮类染料橙Ⅱ的光催化实验表明,复合材料的光催化性能优于纯Fe2 O3和纯SrTiO3,且随着SrTiO含量的增加,光催化活性增强.当SrTiO3制备过程中所加前驱体剂量为17.0g时,橙Ⅱ的去除效率为37.5%.

参考文献

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