Self-assembly of length-tunable gold nanoparticle chains in organic solvents

被引：36

作者：

Liao, JH ^{[1
]}

Chen, KJ

Xu, LN

Ge, CW

Wang, J

Huang, L

Gu, N

机构：

[1] Southeast Univ, Natl Lab Mol & Biomol Elect, Nanjing 210096, Peoples R China

[2] Nanjing Univ, Solid State Microstruct Lab, Nanjing 210008, Peoples R China

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2003年 / 76卷 / 04期

关键词：

D O I：

10.1007/s00339-002-1716-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The one-dimensional coagulation of gold colloidal particles dispersed in organic solvent was investigated with transmission electron microscopy. The results indicate that the length of the nanoparticle chains can be modulated by changing the concentration of the solutions. It was also demonstrated that the wetting of the substrate surface hardly influenced the morphology of the nanoparticle chains, which revealed that the particle chains had been formed in the solution before deposition on the substrates. A general theoretical interpretation is provided to explain the linear coagulation of gold colloidal particles, on the basis of the asymmetrical distribution of the charges absorbed on the surface of the gold colloidal particles, as well as the action of the solvent molecules.

引用

页码：541 / 543

页数：3

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