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3D-Morphology Reconstruction of Nanoscale Phase-Separation in Polymer Memory Blends
Eindhoven University of Technology, Netherlands; TNO, Netherlands.
Holst Centre, TNO-The Dutch Organization for Applied Scientific Research, The Netherlands.
Max Planck Institute for Polymer Research (MPI), Germany.
Department of Applied Physics, Eindhoven University of Technology, The Netherlands.
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2015 (English)In: Journal of Polymer Science Part B: Polymer Physics, ISSN 0887-6266, E-ISSN 1099-0488, Vol. 53, no 17, 1231-1237 p.Article in journal (Refereed) Published
Abstract [en]

In many organic electronic devices functionality is achieved by blending two or more materials, typically polymers or molecules, with distinctly different optical or electrical properties in a single film. The local scale morphology of such blends is vital for the device performance. Here, a simple approach to study the full 3D morphology of phase-separated blends, taking advantage of the possibility to selectively dissolve the different components is introduced. This method is applied in combination with AFM to investigate a blend of a semiconducting and ferroelectric polymer typically used as active layer in organic ferroelectric resistive switches. It is found that the blend consists of a ferroelectric matrix with three types of embedded semiconductor domains and a thin wetting layer at the bottom electrode. Statistical analysis of the obtained images excludes the presence of a fourth type of domains. The criteria for the applicability of the presented technique are discussed. (c) 2015 Wiley Periodicals, Inc.

Place, publisher, year, edition, pages
John Wiley & Sons, 2015. Vol. 53, no 17, 1231-1237 p.
Keyword [en]
AFM; phase separation; organic memory; selective dissolution; thin films
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-120640DOI: 10.1002/polb.23769ISI: 000358198800004OAI: oai:DiVA.org:liu-120640DiVA: diva2:847598
Note

Funding Agencies|European Communitys Seventh Framework Programme under MOMA project [248092]

Available from: 2015-08-20 Created: 2015-08-20 Last updated: 2017-12-04

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Kemerink, Martijn

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