Light-emitting electrochemical cells using a molten delocalized salt
- 28 January 2002
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 80 (4), 679-681
- https://doi.org/10.1063/1.1436534
Abstract
The device performances of light-emitting electrochemical cells are improved by adding a room-temperature molten salt (tetrahexylammonium-bis-trifluoro-methyl-sulfonyl imide) directly into the light-emitting layer. For poly(9,9-dihexyl-fluorene-2,7-diyl) with an indium-tin-oxide anode and an aluminumcathode, the power efficiency can be increased by more than one order of magnitude. An even more pronounced effect is observed for poly [2- methoxy -5-(2 ′ - ethyl-hexyloxy )-1,4- phenylenevinylene ]. Equally important for both luminescent polymers, the operating voltage is drastically reduced.Keywords
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