以AgNO3、Na2 HPO4和NaCl为原料,采用简易离子交换法制备可见光驱动AgCl/Ag3PO4复合材料,利用XRD、EDX、FESEM、UV-vis等测试手段对其进行表征.低能耗LED灯为可见光光源,阳离子染料罗丹明B和阴离子染料甲基橙为探针,评价AgCl/Ag3 PO4复合材料的光催化活性.调节NaCl加入量实现AgCl/Ag3PO4复合材料中AgCl含量的调控.AgCl/Ag3PO4复合材料可实现对水体中罗丹明B和甲基橙的降解,尤其是对罗丹明B的高效去除.NaCl用量为1 mmol时制备AgCl/Ag3PO4复合材料可见光催化降解罗丹明B和甲基橙的活性强于Ag3PO4,且循环使用效率高.AgCl/Ag3PO4可见光催化反应体系中的活性物种为超氧自由基和空穴,其中空穴占主导地位.
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