以氯化镉和硫代乙酰胺为原料,分别以水,离子液以及两者的混合液为溶剂,用超声法成功合成了不同粒径的硫化镉纳米粒子.用XRD,SEM,IR以及UV-Vis等手段对所制备样品的晶型、形貌和光学特性进行了表征；以紫外光为光源、甲基橙为目标降解物评价了硫化镉纳米粒子的光催化活性.结果表明,离子液的引入使硫化镉纳米粒子的粒径明显变小,带隙能量变大,光催化性能测试表明,离子液介质中合成的CdS纳米粒子具有更高的光催化活性.离子液体对比实验还表明,三乙烯四胺型离子液体中合成的硫化镉具有更高的光催化活性.
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