期刊
NEW JOURNAL OF CHEMISTRY
卷 36, 期 11, 页码 2286-2291出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nj40380c
关键词
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资金
- Natural Science Foundation of China [20805011, 20905021, 212751230, 21175118]
- State Key Laboratory of Analytical Chemistry for Life Science of Nanjing University [SKLACLS1107]
This paper reports a simple, one-pot, template-free synthesis of uniform flower-like Au nanostructures with high yield at room temperature. The morphologies of Au are very sensitive to melamine and its concentrations. Since melamine, as a complexing agent, can selectively adsorb onto the specific crystal planes of Au and thereby expose the special facets for the anisotropic growth. Time-dependent measurements by UV-vis and TEM spectroscopy are used to monitor the reaction progress and evolution of the flower-like nanostructures. It was found that the Au nanoflowers, with tips preferentially grown along the (111) planes, exhibit excellent catalytic activity towards the reduction of p-nitrophenol.
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