CaTiO_3Er^(3+)∶YAlO_3复合光催化剂的制备及其光催化活性研究

来源 :西北师范大学学报(自然科学版) | 被引量 : 0次 | 上传用户:luocai1982
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采用聚丙烯酰胺凝胶法分别制备出CaTiO_3纳米光催化剂和Er^(3+)∶YAlO_3上转换材料,通过混合烧结法将两相复合,制备出CaTiO_3/Er^(3+)∶YAlO_3复合光催化材料.利用XRD,SEM,EDX和荧光光谱(PL)等测试手段对产物的物相、形貌和成分进行表征.以酸性橙7(AO7)作为模型反应物,在模拟太阳光的照射下考察了CaTiO_3/Er^(3+)∶YAlO_3复合物的光催化性能.结果表明,平均粒径约36nm的CaTiO_3纳米颗粒附着在粒径约为300nm的Er^(3+)∶YAlO_3
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