Temperature-dependent reversible self-assembly of gold nanoparticles into spherical aggregates by molecular recognition between pyrenyl and dinitrophenyl units

被引：67

作者：

Naka, K ^{[1
]}

Roh, H ^{[1
]}

Chujo, Y ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Polymer Chem, Sakyo Ku, Kyoto 6068501, Japan

来源：

LANGMUIR | 2003年 / 19卷 / 13期

关键词：

D O I：

10.1021/la026898i

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Colloidal gold nanoparticles self-assembled into macroscopic aggregates by charge-transfer interaction between pyrenyl units as an electron donor immobilized on the surface of the gold nanoparticles and a bivalent linker containing two dinitrophenyl units as electron acceptors. Transmission electron microscopy and scanning electron microscopy images showed the spherical aggregates consisting of the gold nanoparticles. The UV-vis absorption spectrum showed a thermally reversible self-assembly process.

引用

页码：5496 / 5501

页数：6

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