Cu_2O-QDs/GO复合物的制备及其光催化性能研究Preparation of Cu_2O-QDs/GO Composite and Its Photocatalytic Properties
荣子佳;戈丹;王颖;于光辉;
摘要(Abstract):
[目的]制备复合光催化剂Cu_2O-QDs/GO,考察复合物中氧化石黑烯(GO)的最佳负载量及其光催化性能。[方法]采用改良的Hummer法制备GO,利用化学沉淀法将Cu_2O-QDs负载在GO片层上。采用XRD、DRS及TEM表征方法,对催化剂的形貌、组成、性质进行判定。[结果]GO经超声后成片层状,Cu_2O以颗粒形式负载于GO表面,粒径为10 nm左右,属于量子点级别。GO的最佳负载量为7%。[结论]通过光催化降解罗丹明B(RhB)的试验,证实复合催化剂对RhB的降解效率相比于单一Cu_2O-QDs有明显提高。
关键词(KeyWords): 氧化亚铜量子点;光催化;氧化石墨;罗丹明B
基金项目(Foundation):
作者(Author): 荣子佳;戈丹;王颖;于光辉;
Email:
DOI: 10.13989/j.cnki.0517-6611.2017.24.021
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