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Polyelectrolyte Capsules Modified with YF 3 Nanoparticles: An AFM Study
Author(s) -
Dubreuil Frédéric,
Shchukin Dmitry G.,
Sukhorukov Gleb B.,
Fery Andreas
Publication year - 2004
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.200400056
Subject(s) - nanoparticle , polyelectrolyte , materials science , atomic force microscopy , deformation (meteorology) , stiffness , capsule , colloid , nanotechnology , chemical engineering , composite material , polymer , botany , engineering , biology
Summary: We studied changes in the mechanical properties of polyelectrolyte‐multilayer capsules induced by YF 3 ‐nanoparticle formation inside the layers. Using direct‐deformation measurements by colloidal probe atomic force microscopy (AFM), we found that the nanoparticle formation increases the capsule stiffness by one order of magnitude. At the same time, we observed that buckling instabilities of the capsules are suppressed after the nanoparticle modification.RICM picture of an initial PAH/PSS capsule under high deformation.