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Control of film morphology by folding hydrogen-bonded oligo(p-phenylenevinylene) polymers in solution
Eindhoven University of Technology, Netherlands.
Eindhoven University of Technology, Netherlands.
Eindhoven University of Technology, Netherlands.ORCID iD: 0000-0002-7104-7127
Eindhoven University of Technology, Netherlands.
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2006 (English)In: Macromolecules, ISSN 0024-9297, E-ISSN 1520-5835, Vol. 39, no 2, 784-788 p.Article in journal (Refereed) Published
Abstract [en]

The film morphology of pi-conjugated oligomers has been controlled by self-assembly in solution. To this end supramolecular hydrogen-bonded systems of oligo(p-phenylenevinylene) (OPV) carrying ureido-s-triazine hydrogen-bonding groups are used. Neutron scattering experiments in dodecane solutions show that columnar stacks are formed. Films with thicknesses on the order of 100 nm are made that have a supramolecular organization resembling the organization present in solution. Uniform rodlike morphological domains range over several hundreds of nanometers as shown by atomic force microscopy. The rodlike morphology of the OPVs was also preserved when blended with a C-60 derivative, producing stable photovoltaic devices.

Place, publisher, year, edition, pages
American Chemical Society , 2006. Vol. 39, no 2, 784-788 p.
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-141505DOI: 10.1021/ma0520085ISI: 000235004900042OAI: oai:DiVA.org:liu-141505DiVA: diva2:1145661
Available from: 2017-09-29 Created: 2017-09-29 Last updated: 2017-10-04

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Kemerink, Martijn
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