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Updated: Jun 8, 2026

Using Polystyrene-block-poly(acrylic acid)-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
Published on: July 9, 2015
Nanoscale force induced size-selective separation and self-assembly of metal nanoparticles: sharp colloidal stability
Yuanhui Zheng1, Cecilia H Lalander, Udo Bach
1Department of Material Engineering, Monash University, Wellington Rd, Clayton, VIC 3800, Australia.
Abstract:
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.
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