Microstructures design of the assembly of monodisperse polystyrene microspheres via alternative current electric field

Luting Ling, Jing Zhang, Caifeng Wang, Su Chen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Nanomaterials as building blocks offer a promising route for material preparation. And to this purpose, controllable assembly of nanomaterials and microstructure design of the assembly are of great significance. Herein, the assembly of monodisperse polystyrene microspheres under alternative current electric field was applied as a model system. The conditions, such as voltage and frequency of the electric field, surface charge of the spheres, solvents and salt concentration, were adjusted to obtain different microstructures of the assembly like chain, island and flower. Preliminary results indicates that surface states of the spheres plays a key role in the final structures while low dielectric constants of the solvents and high salt concentration only caused agglomeration of the microspheres. This work will bring new insight into the assembling process of the nanomaterials as well as understanding the mechanism controlling the microstructures of the assembly.

Original languageEnglish
Title of host publicationTechnical Proceedings of the 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014
PublisherNano Science and Technology Institute
Pages301-304
Number of pages4
ISBN (Print)9781482258264
StatePublished - 2014
EventNanotechnology 2014: Graphene, CNTs, Particles, Films and Composites - 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014 - Washington, DC, United States
Duration: 15 Jun 201418 Jun 2014

Publication series

NameTechnical Proceedings of the 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014
Volume1

Conference

ConferenceNanotechnology 2014: Graphene, CNTs, Particles, Films and Composites - 2014 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2014
Country/TerritoryUnited States
CityWashington, DC
Period15/06/1418/06/14

Keywords

  • Alternative current electric field
  • Assembly
  • Colloidal particles
  • Microstructures

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