期刊
ADVANCED MATERIALS
卷 24, 期 7, 页码 897-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201104047
关键词
light-emitting electrochemical cells; LEC; driving modes; pulsed driving; electroluminescent devices
类别
资金
- European Union (CELLO) [STREP 248043]
- Spanish Ministry of Science and Innovation (MICINN) [MAT2007-61584, CSD2007-00010, CTQ2009-08790]
- MICINN
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 effi ciencies over the fi rst 600 h. This demonstrates the potential of LECs for applications in solid-state signage and lighting.
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