以Fe(NO3) 3·9H2O和NH4VO3为原料,采用水热法制备了FeVO4纳米棒.采用X射线衍射(XRD),热重分析(TG),X射线光电子能谱(XPS)及场发射扫描电子显微镜(FE-SEM)对样品的物相组成和微观形貌进行了表征.并采用紫外-可见漫反射测试(UV-vis DRS)测定了样品的光吸收性能,DRS结果显示FeVO4纳米棒具有较宽的紫外-可见光吸收范围,结合Tauc方程计算得出FeVO4纳米棒的光学带隙为2.13 eV.光催化降价甲基橙性能测试显示经90 min紫外灯照射,对甲基橙的降解率为93.6％.
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