Self organization of gold nanoparticles into 2D superlattice through π-π interacton

被引:1
|
作者
Wang, TX [1 ]
Zhang, DQ [1 ]
Xu, W [1 ]
Zhu, DB [1 ]
机构
[1] Chinese Acad Sci, Inst Chem, Organ Solids Lab, Beijing 100080, Peoples R China
关键词
self-organization; pi-pi interaction; superlattice; gold nanoparticles;
D O I
10.1016/S0379-6779(02)00921-9
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Gold nanoparticle protected by alkylthiols with pyrene moieties was prepared and characterized by H-1 NMR, UV-vis, and elemental analysis. TEM image shows that these nanoparticles possess a narrow size distribution and 2D superlattice structures. In comparison with those nanoparticles protected by alkylthiols prepared under the same experimental condition, these superlattice structures may be attributed to the pi-pi interaction of the terminal pyrene moieties adsorbed onto the surface of gold nanoparticle. This may provide a convenient method to obtain 2D superlattice other than tedious size-selective precipitation.
引用
收藏
页码:835 / 836
页数:2
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