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@ARTICLE{With:205635,
author = {With, Sebastian and Trebbin, Martin and Bartz, Christian B.
A. and Neuber, Christian and Dulle, Martin and Yu, Shun and
Roth, Stephan and Schmidt, Hans-Werner and Foerster,
Stephan},
title = {{F}ast {D}iffusion-{L}imited {L}yotropic {P}hase
{T}ransitions {S}tudied in {S}itu {U}sing {C}ontinuous
{F}low {M}icrofluidics/{M}icrofocus-{SAXS}},
journal = {Langmuir},
volume = {30},
number = {42},
issn = {0743-7463},
address = {Washington, DC},
publisher = {ACS Publ.},
reportid = {PUBDB-2015-00195},
pages = {12494 - 12502},
year = {2014},
note = {(c) American Chemical Society. Post referee full text in
progress. Embargo 1 Jahr ab September 12, 2014.},
abstract = {Fast concentration-induced diffusion-limited lyotropic
phase transitions can be studied in situ with millisecond
time resolution using continuous flow microfluidics in
combination with microfocus small-angle X-ray scattering.
The method was applied to follow a classical selfassembly
sequence where amphiphiles assemble into micelles, which
subsequently assemble into an ordered lattice via a
disorder/order transition. As a model system we selected the
self-assembly of an amphiphilic block copolymer induced by
the addition of a nonsolvent. Using microchannel
hydrodynamic flow-focusing, large concentration gradients
can be generated, leading to a deep quench from the miscible
to the microphase-separated state. Within milliseconds the
block copolymers assembly via a spinodal microphase
separation into micelles, followed by a disorder/order
transition into an FCC liquid-crystalline phase with
late-stage domain growth and shear-induced domain
orientation into a mesocrystal. A comparison with a slow
macroscopic near-equilibrium kinetic experiment shows that
the fast structural transitions follow a direct pathway to
the equilibrium structure without the trapping of metastable
states.},
cin = {DOOR},
ddc = {670},
cid = {I:(DE-H253)HAS-User-20120731},
pnm = {PETRA Beamline P03 (POF2-54G14) / STREAM - Structural
evolution at the nano- and mesoscale (291211)},
pid = {G:(DE-H253)POF2-P03-20130405 / G:(EU-Grant)291211},
experiment = {EXP:(DE-H253)P-P03-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000347744100005},
pubmed = {pmid:25216394},
doi = {10.1021/la502971m},
url = {https://bib-pubdb1.desy.de/record/205635},
}