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Anisotropic responsive microgels with tuneable shape and interactions

Crassous, Jerome LU ; Mihut, Adriana LU ; Månsson, Linda LU and Schurtenberger, Peter LU (2015) In Nanoscale 7(38). p.15971-15982
Abstract
Highly monodisperse polystyrene/poly(N-isopropylmethacrylamide) (PS-PNIPMAM) core-shell composite microgels were synthesized and further nanoengineered in either ellipsoidal, faceted or bowl-shaped particles. Beside their anisotropy in shape, the microgel design enables an exquisite control of the particle conformation, size and interactions from swollen and hydrophilic to collapsed and hydrophobic using temperature as an external control variable. The post-processing procedures and the characterization of the different particles are first presented. Their potential as model systems for the investigation of the effects of anisotropic shape and interactions on the phase behavior is further demonstrated. Finally, the self-assembly of... (More)
Highly monodisperse polystyrene/poly(N-isopropylmethacrylamide) (PS-PNIPMAM) core-shell composite microgels were synthesized and further nanoengineered in either ellipsoidal, faceted or bowl-shaped particles. Beside their anisotropy in shape, the microgel design enables an exquisite control of the particle conformation, size and interactions from swollen and hydrophilic to collapsed and hydrophobic using temperature as an external control variable. The post-processing procedures and the characterization of the different particles are first presented. Their potential as model systems for the investigation of the effects of anisotropic shape and interactions on the phase behavior is further demonstrated. Finally, the self-assembly of bowl-shaped composite microgel particles is discussed, where the temperature and an external AC electric field are employed to control the interactions from repulsive to attractive and from soft repulsive to dipolar, respectively. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Nanoscale
volume
7
issue
38
pages
15971 - 15982
publisher
Royal Society of Chemistry
external identifiers
  • pmid:26367504
  • wos:000361834100050
  • scopus:84942693796
ISSN
2040-3372
DOI
10.1039/c5nr03827h
language
English
LU publication?
yes
id
81873b9e-1940-43cf-9fdb-086c391a7877 (old id 8071044)
date added to LUP
2015-10-22 08:37:32
date last changed
2017-06-11 03:16:10
@article{81873b9e-1940-43cf-9fdb-086c391a7877,
  abstract     = {Highly monodisperse polystyrene/poly(N-isopropylmethacrylamide) (PS-PNIPMAM) core-shell composite microgels were synthesized and further nanoengineered in either ellipsoidal, faceted or bowl-shaped particles. Beside their anisotropy in shape, the microgel design enables an exquisite control of the particle conformation, size and interactions from swollen and hydrophilic to collapsed and hydrophobic using temperature as an external control variable. The post-processing procedures and the characterization of the different particles are first presented. Their potential as model systems for the investigation of the effects of anisotropic shape and interactions on the phase behavior is further demonstrated. Finally, the self-assembly of bowl-shaped composite microgel particles is discussed, where the temperature and an external AC electric field are employed to control the interactions from repulsive to attractive and from soft repulsive to dipolar, respectively.},
  author       = {Crassous, Jerome and Mihut, Adriana and Månsson, Linda and Schurtenberger, Peter},
  issn         = {2040-3372},
  language     = {eng},
  number       = {38},
  pages        = {15971--15982},
  publisher    = {Royal Society of Chemistry},
  series       = {Nanoscale},
  title        = {Anisotropic responsive microgels with tuneable shape and interactions},
  url          = {http://dx.doi.org/10.1039/c5nr03827h},
  volume       = {7},
  year         = {2015},
}