材料科学
光催化
异质结
纳米棒
罗丹明B
热液循环
化学工程
降级(电信)
纳米技术
辐照
纳米颗粒
光电子学
催化作用
有机化学
化学
物理
工程类
核物理学
电信
计算机科学
作者
Zhenghua Fan,Fanning Meng,Jinfeng Gong,Huijie Li,Youdi Hu,Daorui Liu
标识
DOI:10.1016/j.matlet.2016.03.136
摘要
Preparation of flower-like CeO2/TiO2 heterostructures as photocatalysts was successfully obtained by a simple two-step solvothermal/hydrothermal method. The as-prepared sample consisted of the oriented aggregation of small CeO2 nanoparticles supported on the self-assembled nanorods of hierarchical flower-like TiO2. Compared with pure CeO2, pure TiO2 and commercial P25, the flower-like CeO2/TiO2 heterostructures exhibited markedly enhanced photocatalytic activity in the degradation of Rhodamine B (RhB) under UV light irradiation. The enhanced photocatalytic activity of flower-like CeO2/TiO2 heterostructures could be attributed to the improvement of charge separation derived from the coupling effect of TiO2 and CeO2 heterostructures.
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