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Conjugated Zwitterionic Polyelectrolyte as the Charge Injection Layer for High-Performance Polymer Light-Emitting Diodes
University of Cambridge, England.
University of Cambridge, England.
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-2582-1740
University of Cambridge, England; Huazhong University of Science and Technology, Peoples R China.
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2011 (English)In: Journal of the American Chemical Society, ISSN 0002-7863, E-ISSN 1520-5126, Vol. 133, no 4, 683-685 p.Article in journal (Refereed) Published
Abstract [en]

A new zwitterionic conjugated polyelectrolyte without free counterions has been used as an electron injection material in polymer light-emitting diodes. Both the efficiency and maximum brightness were considerably improved in comparison with standard Ca cathode devices. The devices showed very fast response times, indicating that the improved performance is, in addition to hole blocking, due to dipoles at the cathode interface, which facilitate electron injection.

Place, publisher, year, edition, pages
American Chemical Society , 2011. Vol. 133, no 4, 683-685 p.
National Category
Polymer Chemistry
URN: urn:nbn:se:liu:diva-115693DOI: 10.1021/ja108541zISI: 000287295300012PubMedID: 21171591OAI: diva2:796106

Funding Agencies|EPSRC [EP/F056702/1]; Basic Technology Research Grant Initiative COSMOS [EP/D04894X/1]

Available from: 2015-03-18 Created: 2015-03-18 Last updated: 2015-03-31

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