通过柠檬酸络合法合成B-Er共掺杂BiVO4,采用X-射线衍射和扫描电子显微镜表征合成材料的物相、形貌.同时考察溶液的初始浓度、pH、催化剂投加量以及光照强度等因素在可见光的照射下对金橙Ⅱ光催化降解的影响.实验结果表明,在金橙Ⅱ水溶液中,初始质量浓度为15mg/L、pH =3、催化剂投加量为0.015 g、光照距离14cm,B-Er共掺杂BiVO4对金橙Ⅱ有较好的光催化活性,t为50 min后,降解率可达90％以上.
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