Ambient fabrication of flexible and large-area organic light-emitting devices using slot-die coating

Andreas Sandstrom; Henrik Friis Dam; Frederik C Krebs; Ludvig Edman

doi:10.1038/ncomms2002

Ambient fabrication of flexible and large-area organic light-emitting devices using slot-die coating

Andreas Sandstrom, Henrik Friis Dam, Frederik C Krebs, Ludvig Edman

Department of Energy Conversion and Storage

Umeå University

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

The grand vision of manufacturing large-area emissive devices with low-cost roll-to-roll coating methods, akin to how newspapers are produced, appeared with the emergence of the organic light-emitting diode about 20 years ago. Today, small organic light-emitting diode displays are commercially available in smartphones, but the promise of a continuous ambient fabrication has unfortunately not materialized yet, as organic light-emitting diodes invariably depend on the use of one or more time-and energy-consuming process steps under vacuum. Here we report an all-solution-based fabrication of an alternative emissive device, a light-emitting electrochemical cell, using a slot-die roll-coating apparatus. The fabricated flexible sheets exhibit bidirectional and uniform light emission, and feature a fault-tolerant >1-mu m-thick active material that is doped in situ during operation. It is notable that the initial preparation of inks, the subsequent coating of the constituent layers and the final device operation all could be executed under ambient air.

Original language	English
Journal	Nature Communications
Volume	3
Issue number	1002
Number of pages	5
ISSN	2041-1723
DOIs	https://doi.org/10.1038/ncomms2002
Publication status	Published - 2012

Bibliographical note

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivative Works 3.0 Unported License

L.E. and A.S. are grateful to Kempestiftelserna, Energimyndigheten and the Swedish Research Council (Vetenskapsrådet) for financial support. L.E. is a Royal Swedish Academy of Sciences Research Fellow supported by a grant from the Knut and Alice Wallenberg Foundation. F.C.K. and H.F.D. are thankful for support from the Danish Strategic Research Council (2104-07-0022).

Keywords

MULTIDISCIPLINARY
ELECTROCHEMICAL-CELLS
DIODES
POLYMERS
ELECTROLYTE
PERFORMANCE

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Polymer Solar Cells for Solar Energy Conversion
Krebs, F. C. (Project Manager)
01/01/2008 → 31/12/2013
Project: Research

Cite this

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title = "Ambient fabrication of flexible and large-area organic light-emitting devices using slot-die coating",

abstract = "The grand vision of manufacturing large-area emissive devices with low-cost roll-to-roll coating methods, akin to how newspapers are produced, appeared with the emergence of the organic light-emitting diode about 20 years ago. Today, small organic light-emitting diode displays are commercially available in smartphones, but the promise of a continuous ambient fabrication has unfortunately not materialized yet, as organic light-emitting diodes invariably depend on the use of one or more time-and energy-consuming process steps under vacuum. Here we report an all-solution-based fabrication of an alternative emissive device, a light-emitting electrochemical cell, using a slot-die roll-coating apparatus. The fabricated flexible sheets exhibit bidirectional and uniform light emission, and feature a fault-tolerant >1-mu m-thick active material that is doped in situ during operation. It is notable that the initial preparation of inks, the subsequent coating of the constituent layers and the final device operation all could be executed under ambient air.",

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Ambient fabrication of flexible and large-area organic light-emitting devices using slot-die coating

Abstract

Bibliographical note

Keywords

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Polymer Solar Cells for Solar Energy Conversion

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