期刊
JOURNAL OF APPLIED PHYSICS
卷 107, 期 7, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3369441
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资金
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan
Homogeneous Au nanowires with 1.5 nm diameters and lengths of over 100 mu m were synthesized in an oleylamine matrix via the simple reduction of aurichloride in a limited reaction temperature range around 85 degrees C. Oleylamine has multifunctional roles as solvent, surfactant, and reductant, and the surfactant induce anisotropic growth by adsorbing on the specific Au crystalline surface. As a result, Au nanowires were grown along the < 111 > direction of fcc-Au having many hcp atomic stacks. In this synthesis method, various shapes of Au nanostructures were produced simultaneously and this was strongly dependent on the reaction temperature. Au nanowires were provided by reconstruction from nanoparticles or their agglomeration. The growth mechanism of the Au nanowire in this synthesis was found to be quite unique and different from that for a conventional one-dimensional nanostructure which is obtained by anisotropical growth with supplying atoms from external resources. (C) 2010 American Institute of Physics. [doi:10.1063/1.3369441]
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