Efficient white polymer light-emitting electrochemical cells
Materials Horizons Pub Date: 2014-12-22 DOI: 10.1039/C4MH00204K
Abstract
An efficient white polymer light-emitting electrochemical cell has been fabricated with a thin-film sandwich architecture of glass/indium tin oxide/electroluminescent layer/aluminum. The electroluminescent layer uses a blend of a proprietary white light-emitting polymer, ethoxylated trimethylolpropane triacrylate as an ion-transport medium, and lithium trifluoromethanesulphonate as an ionic source. The lithium salt concentration plays a key role in the device performance, and a maximum current efficiency of 8.1 cd A?1 and luminance greater than 10?000 cd m?2 were obtained at 3 wt% salt concentration.
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Journal Name：Materials Horizons
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