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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 Ioan Botiz “Processes of ordered structure formation in thin films and potential applications”

Ioan Botiz “Processes of ordered structure formation in thin films and potential applications”

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Freiburg Institute for Advanced Studies (FRIAS), Freiburg

What
  • Seminar
When Nov 24, 2010
from 02:15 PM to 03:00 PM
Where “Hörsaal Makromolekulare Chemie”, Stefan-Meier-Str. 31, Freiburg
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Abstract

We present an experimental study of structure formation in a polypeptide hetero-arm star block copolymer solution, obtained by swelling thin films in chloroform solvent vapor to variable poly(g-benzyl-L-glutamate) concentrations. Direct observation by optical microscopy allowed us to follow in real time nucleation and growth of ordered three-dimensional structures of ellipsoidal shape. The influence of various parameters like type of solvent, polymer concentration, environmental conditions, etc. on ordering process will be emphasized along with a possible model for molecular organization. At the end, applications of ordering processes in organic photovoltaics will be emphasized.

 

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