Synthesis and self-assembly of one-dimensional sub-10 nm Ag nanoparticles with cyclodextrin

被引:56
作者
Ng, Choon Hwee Bernard [1 ]
Yang, Jiexiang [1 ]
Fan, Wai Yip [1 ]
机构
[1] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
关键词
D O I
10.1021/jp710553c
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A facile and effective method to produce sub-10 nm Ag nanoparticles in a water solution is reported. Stabilization of the nanoparticles was achieved by hydrophobic interactions with the apolar primary faces of alpha-CD. In addition, hydrogen-bonding interactions between the exposed secondary -OH groups facilitated the threading of neighboring CDs, leading to the self-assembly of the Ag nanoparticles into 1-D "pearl necklace" arrays. The preparation of such metal nanoparticles unravels possibilities for the assembly of nanoparticles in 2- and 3-D patterns.
引用
收藏
页码:4141 / 4145
页数:5
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