期刊
CATALYSIS COMMUNICATIONS
卷 29, 期 -, 页码 24-28出版社
ELSEVIER
DOI: 10.1016/j.catcom.2012.09.007
关键词
Copper-doped TiO2; Hollow microsphere; Rape pollen; Photocatalysts; Nanomaterials
资金
- National Natural Science Foundation of China [21177082]
- Science and Technology Commission of Shanghai Municipality in China [09JC1407600, 09231202805]
Copper/titanium dioxide (Cu/TiO2) hollow microspheres were fabricated by direct coating of shells on the surface of rape pollen through an improved sol-gel process. Rape pollen grains were used as biotemplates, and they could be removed easily at high temperature. The average diameter of the as-synthesized hollow spheres was 15-20 mu m, and the thickness of the hollow sphere shells was approximately 0.6 mu m. These hollow microspheres had a higher specific surface area and exhibited stronger adsorptive capacity compared with the commercial p-25 system. The results indicate that Cu/TiO2 hollow microspheres have promising photocatalytic applications. (C) 2012 Elsevier B.V. All rights reserved.
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