期刊
CRYSTAL GROWTH & DESIGN
卷 9, 期 5, 页码 2335-2340出版社
AMER CHEMICAL SOC
DOI: 10.1021/cg801231p
关键词
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资金
- Natural Science Foundation of China [20620130427]
- Ministry of Science and Technology [2007CB815303]
- Department of Chemistry, Xiamen University [J0630429]
Nearly monodisperse single-crystalline palladium (Pd) nanocubes and nanodendrites have been successfully prepared in aqueous solution at room temperature, for the first time, mainly by utilizing the equilibrium between the dissolution and precipitation of the Pd-cetyltrimethylammonium bromide (Pd-CTAB) complexes. The morphology of the obtained Pd nanocrystals call be tuned by the addition of foreign halide ions (Cl- and Br-). The corresponding selected area electron diffraction (SAED) and X-ray diffraction (XRD) patterns confirmed that the synthesis of nanocubes and nanodendrites are single-crystalline pure Pd structures with fee crystal lattice. A preliminary formation mechanism based on the dissolution and precipitation of the Pd-CTAB complexes and competitive adsorption between different ions oil the nanoparticle Surface has been proposed.
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