采用一步水热合成法制备Co2+掺杂Bi2WO6纳米粉末,利用XRD、EDS、SEM、TEM、BET、UV-Vis等表征手段对Co2+/Bi2WO6形貌和结构进行表征,并以罗丹明B为目标污染物研究了Co2 +/Bi2WO6的催化活性.结果表明Co2+的添加有助于增加催化剂比表面积,抑制了晶粒生长,优化后催化剂的光谱吸收范围向可见光区拓展.Co2+/Bi2WO6催化活性明显高于未优化的Bi2WO6,可见光照射下,150 min内,Co2 +/Bi2WO6对罗丹明B的降解率可达98％.
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