Simple, fast, bright, and stable light sources

Daniel Tordera; Sebastian Meier; Martijn Lenes; Rubén D. Costa; Enrique Ortí; Wiebke Sarfert; Henk J. Bolink

doi:10.1002/adma.201104047

Simple, fast, bright, and stable light sources

Daniel Tordera, Sebastian Meier, Martijn Lenes, Rubén D. Costa, Enrique Ortí, Wiebke Sarfert, Henk J. Bolink

Research output: Contribution to journal › Article › peer-review

154 Scopus citations

Abstract

In this work we show that solution-processed light-emitting electrochemical cells (LECs) based on only an ionic iridium complex and a small amount of ionic liquid exhibit exceptionally good performances when applying a pulsed current: sub-second turn-on times and almost constant high luminances (>600 cd m ^-2) and power efficiencies over the first 600 h. This demonstrates the potential of LECs for applications in solid-state signage and lighting.

Original language	English
Pages (from-to)	897-900
Number of pages	4
Journal	Advanced Materials
Volume	24
Issue number	7
DOIs	https://doi.org/10.1002/adma.201104047
State	Published - 14 Feb 2012
Externally published	Yes

Keywords

LEC
driving modes
electroluminescent devices
light-emitting electrochemical cells
pulsed driving

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10.1002/adma.201104047

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AU - Lenes, Martijn

AU - Costa, Rubén D.

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AU - Sarfert, Wiebke

AU - Bolink, Henk J.

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AB - In this work we show that solution-processed light-emitting electrochemical cells (LECs) based on only an ionic iridium complex and a small amount of ionic liquid exhibit exceptionally good performances when applying a pulsed current: sub-second turn-on times and almost constant high luminances (>600 cd m -2) and power efficiencies over the first 600 h. This demonstrates the potential of LECs for applications in solid-state signage and lighting.

KW - LEC

KW - driving modes

KW - electroluminescent devices

KW - light-emitting electrochemical cells

KW - pulsed driving

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Simple, fast, bright, and stable light sources

Abstract

Keywords

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