Nanotech 2011 Vol. 2
Nanotech 2011 Vol. 2
Nanotechnology 2011: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational

NanoFab: Manufacturing & Instrumentation Chapter 4

Nanoscale Force Induced Size-selective Separation and Self-assembly of Metal Nanoparticles

Authors: Y. Zheng

Affilation: Monash University, Australia

Pages: 192 - 195

Keywords: gold nanoparticle, size-selective separation, self-assembly, hcp ordering

A simple and versatile nanoscale force induced precipitation approach for the separation of gold nanoparticles (AuNPs) was developed. The AuNPs show sharp size-dependent colloidal stability thresholds as a function of salt concentration. Upon separation, the AuNPs were electrostatically self-assembled onto silicon substrates by fine-tuning interparticle and particle-substrate forces, forming 2D AuNP networks with a high degree of hexagonal closest pack (hcp) superstructures.

ISBN: 978-1-4398-7139-3
Pages: 854
Hardcopy: $199.95

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