期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 118, 期 2, 页码 763-767出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-014-8797-1
关键词
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资金
- National Science Foundation of China [50902117, 50825101]
- National Basic Research Program of China [2012CB933103]
- Scientific and Technological Innovation Platform of Fujian Province [2006L2003]
Yolk-shelled Cu2O mesocrystals were synthesized by chemical precipitation at a low temperature with PEG-500 as the surfactant. The as-prepared products were investigated by X-ray diffraction, SEM, and TEM. The results indicated that a single Cu2O mesocrystal is an aggregation of several individual Cu2O nanocrystallites and shows a yolk-shelled structure. The morphology and size of the Cu2O mesocrystal can be tuned by varying the dosages of surfactant. The photocatalytic performance of the products detected by a UV-Vis spectrophotometer showed that the formed Cu2O mesocrystals have a high decolorization ratio and good reproducibility.
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