水热合成Fe^(3+)掺杂ZnO复合材料及其光催化活性

Hydrothermal Synthesis and Photocatalytic Property of Fe^(3+)-doped ZnO

以Zn(Ac)2.2H2O、Fe(NO3)3.9H2O和NaOH为原料,采用水热法合成了Fe3+掺杂ZnO复合材料。并用X射线衍射和扫描电子显微镜测试技术对合成样品的结构和形貌进行了表征。结果表明,Fe3+掺杂ZnO合成产物为直棒状,直径为500nm,长度为3μm左右。样品的紫外可见漫反射分析结果表明,在300～500nm紫外可见光区域均有强的吸收。Fe3+掺杂ZnO作为光催化剂降解有机染料性能优于纯ZnO材料。

With Zn（Ac）2·2H2O, Fe（ NO3 ）3·9H2O and NaOH as raw materials, Fe^3＋ -doped ZnO was prepared by hydrothermal method. The structure and morphology were investigated by means of X-ray diffraction and scanning electron microscopy. The measurements indicated that the Fe^3＋ -doped ZnO was rod like. The UV diffuse reflectance absorbent properties were detected on a UV-Lambda35 spectrophotometer. The results showed that the Fe^3＋ -doped ZnO had strong absorption in UV and visible regions. Photodegradatio dyes in an aqueous solution was investigated with Fe^3＋ -doped ZnO as a photocatalyst. The results showed n of that Fe^3＋ -doped ZnO had better degradation properties than pure ZnO.