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In situ film characterization of thermally treated microstructured conducting polymer films

  1. Robert Meier1,
  2. Hsin-Yin Chiang1,
  3. Matthias A. Ruderer1,
  4. Shuai Guo1,
  5. Volker Körstgens1,
  6. Jan Perlich2,
  7. Peter Müller-Buschbaum1,*

Article first published online: 5 FEB 2012

DOI: 10.1002/polb.23048

Issue

Journal of Polymer Science Part B: Polymer Physics

Journal of Polymer Science Part B: Polymer Physics

Volume 50, Issue 9, pages 631–641, 1 May 2012

Additional Information

How to Cite

Meier, R., Chiang, H.-Y., Ruderer, M. A., Guo, S., Körstgens, V., Perlich, J. and Müller-Buschbaum, P. (2012), In situ film characterization of thermally treated microstructured conducting polymer films. J. Polym. Sci. B Polym. Phys., 50: 631–641. doi: 10.1002/polb.23048

Author Information

  1. 1

    Technische Universität München, Physik-Department, Lehrstuhl für Funktionelle Materialien, James-Franck-Str. 1, 85748 Garching, Germany

  2. 2

    HASYLAB at DESY, Notkestr. 85, 22603 Hamburg, Germany

*Technische Universität München, Physik-Department, Lehrstuhl für Funktionelle Materialien, James-Franck-Str. 1, 85748 Garching, Germany

Publication History

  1. Issue published online: 26 MAR 2012
  2. Article first published online: 5 FEB 2012
  3. Manuscript Accepted: 17 JAN 2012
  4. Manuscript Received: 15 NOV 2011

Funded by

  • BMBF. Grant Number: 05KS7W01
  • the Bavarian State Ministry of Sciences, Research and Arts through the International Graduate School “Materials Science of Complex Interfaces” (CompInt)

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Keywords:

  • conducting polymers;
  • crystallization;
  • GISAXS;
  • microstructure;
  • thermal annealing;
  • thin film

Abstract

Based on a low-cost fabrication routine microstructured conducting polymer films of poly (dioctylfluorene-co-benzothiadiazole) (F8BT) are prepared without any heat treatment or vacuum steps. The influence of thermal annealing at temperatures below the glass transition temperature of F8BT on such microstructured channel structures is investigated. In the applied structuring routine, a F8BT film is spin coated on a channel-type hard master structure and afterwards floated on a flat support. Thereby, the properties of the final polymeric structures, for example channel width and height, can be tuned by simply varying the polymer concentration in solution and using the same master structure. With in situ grazing incidence small angle X-ray scattering and imaging ellipsometry the installed channel structure and the influence of thermal treatment are probed. A complex interplay between a macroscopic polymer flow (reduced channel heights) and a molecular rearrangement (formation of mesoscopic crystallites) takes place during thermal annealing. © 2012 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2012

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