期刊
CRYSTENGCOMM
卷 13, 期 20, 页码 6179-6184出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ce05715d
关键词
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资金
- National Natural Science Foundation of China [50972080]
- National Basic Research Program [2009CB930101]
- Independent Innovation Foundation of Shandong University (IIFSDU) of China [2009TS018]
A siloxane surfactant was used for the mild synthesis and simultaneous 1D assembly of gold nanoparticles. The length of the gold nanochains could be tuned by facile adjustment of the surfactant concentration. The multiple interactions between the siloxane surfactant and gold nanoparticles made the non-uniform spatial distribution of stabilizers at the nanoparticle surfaces and then led to the 1D assembly. Transmission electron microscopy (TEM) and UV-vis spectroscopy have been employed for characterizing the nanochains. The effect of ionic strength in the spontaneous linear assembly of gold nanoparticles was investigated to further elucidate the assembly of mechanism. These gold nanochains were shown to yield a large SERS enhancement for Rhodamine 6G.
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