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Poly(ethylene imine) impurities induce n-doping reaction in organic (semi)conductors
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0001-7016-6514
Linköping University, Department of Physics, Chemistry and Biology, Surface Physics and Chemistry. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Surface Physics and Chemistry. Linköping University, The Institute of Technology.
University of Mons-UMONS, Belgium.
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2014 (English)In: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 26, no 34, 6000-6006 p.Article in journal (Refereed) Published
Abstract [en]

Volatile impurities contained in polyethyleneimine (PEI), and identified as ethyleneimine dimers and trimers, are reported. These N-based molecules show a strong reducing character, as demonstrated by the change in electrical conductivity of organic (semi) conductors exposed to the PEI vapor. The results prove that electron transfer rather than a dipole effect at the electrode interface is the origin of the work-function modification by the PEI-based layers.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2014. Vol. 26, no 34, 6000-6006 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-111452DOI: 10.1002/adma.201401986ISI: 000342147400013PubMedID: 25043202OAI: oai:DiVA.org:liu-111452DiVA: diva2:757266
Note

Funding Agencies|Advanced Functional Materials Center at Linkoping University; Onnesjo Foundation; Knut and Alice Wallenberg Foundation; VINNOVA; STEM; Swedish Energy Agency; FRS-FNRS

Available from: 2014-10-21 Created: 2014-10-17 Last updated: 2017-12-05Bibliographically approved

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Fabiano, SimoneBraun, SlawomirLiu, XianjieFahlman, MatsBerggren, MagnusCrispin, Xavier

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