期刊
DALTON TRANSACTIONS
卷 41, 期 45, 页码 13795-13799出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2dt31487h
关键词
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资金
- National Natural Science Foundation of China (NSFC) [50903072]
- Zhejiang Province Natural Science Foundation [Y4100197]
- Science Foundation of Zhejiang Sci-Tech University (ZSTU) [0901803-Y]
This communication demonstrates a novel strategy for the selective growth of Au nanograins (AuNGs) on specific positions (tips, edges and facets) of Cu2O octahedrons to form Cu2O-Au hierarchical heterostructures. The surface energy distribution of the octahedrons generally follows the order of gamma((facets)) < gamma((edges)) < gamma((tips)) and leads to the preferential growth and evolution of the heterostructures. These novel Cu2O-Au hierarchical heterostructures show fascinating degradations of methylene blue (MB), due to the suppressed electron/hole recombination phenomena and the highly efficient light harvesting.
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