Paper Title:
Self-Assembly of Nano-Sized Spherical Polyelectrolyte Brushes on Different Substrates as Observed by AFM
  Abstract

Nano-sized spherical poly (acrylic acid) (PAA) brushes (SPB) were prepared on the surface of colloidal polystyrene (PS) particles by photo-emulsion polymerization. Atomic force microscopy (AFM) was employed to observe the assembly of SPB on substrates of silicon, gold and mica with various surface properties and to determine the morphological information including particle size, shape and core-shell structure of SPB. We found that the surface polarity, electrostatic interactions between SPB and substrate surface and among SPB and capillary forces during sample drying affect the SPB assembly on substrate surface and their morphology.

  Info
Periodical
Chapter
Chapter 19: Nanofabrication, Nanometrology and Applications
Edited by
Wu Fan
Pages
3762-3769
DOI
10.4028/www.scientific.net/AMM.110-116.3762
Citation
S. B. Huang, X. H. Guo, L. Li, H. R. Xu, Y. M. Dong, "Self-Assembly of Nano-Sized Spherical Polyelectrolyte Brushes on Different Substrates as Observed by AFM", Applied Mechanics and Materials, Vols. 110-116, pp. 3762-3769, 2012
Online since
October 2011
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