| Flexible and Metal-Free Light-Emitting Electrochemical Cells Based on Graphene and PEDOT-PSS as the Electrode Materials. | |
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MedLine Citation:
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PMID: 21189028 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We report flexible and metal-free light-emitting electrochemical cells (LECs) using exclusively solution-processed organic materials and illustrate interesting design opportunities offered by such conformable devices with transparent electrodes. Flexible LEC devices based on chemically derived graphene (CDG) as the cathode and poly(3,4-ethylenedioxythiophene) mixed with poly(styrenesulfonate) as the anode exhibit a low turn-on voltage for yellow light emission (V = 2.8 V) and a good efficiency 2.4 (4.0) cd/A at a brightness of 100 (50) cd/m(2). We also find that CDG is electrochemically inert over a wide potential range (+1.2 to -2.8 V vs ferrocene/ferrocenium) and exploit this property to demonstrate planar LEC devices with CDG as both the anode and the cathode. |
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Authors:
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Piotr Matyba; Hisato Yamaguchi; Manish Chhowalla; Nathaniel D Robinson; Ludvig Edman |
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Publication Detail:
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Type: Journal Article Date: 2010-12-28 |
Journal Detail:
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Title: ACS nano Volume: 5 ISSN: 1936-086X ISO Abbreviation: ACS Nano Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101313589 Medline TA: ACS Nano Country: United States |
Other Details:
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Languages: eng Pagination: 574-80 Citation Subset: IM |
Affiliation:
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The Organic Photonics and Electronics Group, Department of Physics, Umeå University, SE-901 87 Umeå, Sweden. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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