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IRTG / Soft Matter Science
Freiburger Materialforschungszentrum
Stefan-Meier-Str. 21
79104 Freiburg, Germany

Contact: Jana Husse

+49 761 203 678 34
softmattergraduate[at]uni-freiburg.de


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You are here: Home Events Prof. G. Floudas "Soft matter under hard confinement"

Prof. G. Floudas "Soft matter under hard confinement"

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University of Ioannina, Greece

What
  • Seminar
When Jan 27, 2016
from 02:15 PM to 03:00 PM
Where Seminarraum A, FMF, Stefan-Meier-Str. 21, Freiburg
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Soft matter under confinement is a growing, interdisciplinary research field with yet unknown basic principles. Nanoporous hard templates provide a two-dimensionally confined space in which self-organization processes such as crystallization, protein secondary structure formation, mesophase formation and phase separation can be manipulated giving rise to unprecedented confinement-induced morphologies with new and exciting properties. A principal focus of the current review is on the basic underlying principles that give rise to directed self-organization and controlled phase state in a range of soft materials under confinement. It involves structural, thermodynamic and dynamical characterization in different soft materials with a variety of interactions. These include amorphous [1] or crystallizable polymers [2-5], rod-like [6] and disk-like [7] liquid crystals and biopolymers [8] with important potential applications. Implications of this work to the crystallization of “smaller” systems like water [9][10] under confinement are discussed. With respect to the latter, we show that confinement within nanoporous alumina influences the nucleation mechanism (homogeneous vs. heterogeneous) and ice structure (cubic vs. hexagonal) with possible applications ranging from cryopreservation to water purification. 

*In collaboration with MPI-P: Y. Suzuki, H. Duran, M. Steinhart, H.-J. Butt, and S. Alexandris (UoI).

[1] S. Alexandris, G. Sakellariou, M. Steinhart, G. Floudas, Macromolecules  2014, 47, 3895.
[2] H. Duran, M. Steinhart, H.-J. Butt, G. Floudas, Nano Letters 2011, 11,1671.
[3] Y. Suzuki, H. Duran, M. Steinhart, H.-J. Butt, G. Floudas, Soft Matter 2013, 9, 2769.
[4] Y. Suzuki, H. Duran, W. Akram, M. Steinhart, G. Floudas, H.-J. Butt, Soft Matter, 2013, 9, 9189.
[5] Y. Suzuki, H. Duran, M. Steinhart, H.-J. Butt, G. Floudas, Macromolecules 2014, 47, 1793.
[6] C. Grigoriadis, H. Duran, M. Steinhart, M. Kappl, H.-J. Butt, G. Floudas, ACS Nano 2011, 11, 9208.
[7] H. Duran, B. Hartmann-Azanza, M. Steinhart, D. Gehrig, F. Laquai, X. Feng, K. Müllen,  H.-J. Butt, G. Floudas, ACS Nano 2012, 6, 9359.
[8] H. Duran, A. Gitsas, G. Floudas, M. Mondeshki, M. Steinhart, W. Knoll, Macromolecules 2009, 42, 2881.
[9]  Y. Suzuki, H. Duran, M. Steinhart, M. Kappl, H.-J. Butt, G. Floudas, Nano Letters 2015, 15, 1987-1992. 
[10] Y. Suzuki, M. Steinhart, H.-J. Butt, G. Floudas, J. Phys. Chem. B  2015, 119, 11960-11966. 
 

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