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High-Performance Light-Emitting Electrochemical Cells by Electrolyte Design
Umeå University, Faculty of Science and Technology, Department of Physics. (Organ Photon & Elect Grp)
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
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2016 (English)In: Chemistry of Materials, ISSN 0897-4756, E-ISSN 1520-5002, Vol. 28, no 8, 2618-2623 p.Article in journal (Refereed) Published
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Abstract [en]

Polymer light-emitting electrochemical cells (LECs) are inherently dependent on a suitable electrolyte for proper function. Here, we design and synthesize a series of alkyl carbonate-capped star-branched oligoether-based electrolytes with large electrochemical stability windows, facile ion release, and high compatibility with common light-emitting materials. LECs based on such designed electrolytes feature fast turn-on, a long operational lifetime of 1400 h at >100 cd m(-2) and a record-high power conversion efficiency of 18.1 lm W-1, when equipped with an external outcoupling film.

Place, publisher, year, edition, pages
2016. Vol. 28, no 8, 2618-2623 p.
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Polymer Chemistry
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URN: urn:nbn:se:umu:diva-121575DOI: 10.1021/acs.chemmater.5b04847ISI: 000375244500018OAI: oai:DiVA.org:umu-121575DiVA: diva2:943319
Available from: 2016-06-27 Created: 2016-06-03 Last updated: 2016-06-27Bibliographically approved

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Mindemark, JonasTang, ShiWang, JiaKaihovirta, NikolaiEdman, Ludvig
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