期刊
MATERIALS LETTERS
卷 175, 期 -, 页码 36-39出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.03.136
关键词
CeO2/TiO2 heterostructures; Nanoparticles; Crystal growth; Photocatalytic activity; Optical materials and properties
资金
- Anhui Provincial Natural Science Foundation of China [1508085SME219]
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. (C) 2016 Elsevier B.V. All rights reserved.
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