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- W2022152537 abstract "We report low operating voltage and high efficiency organic electroluminescence devices by using an ultrathin CsF layer with the conventional Mg:Ag cathode. At 5 V, devices with CsF/Mg:Ag cathode show a luminance of 800 cd/m2 and a current efficiency of 4 cd/A compared to those (130 cd/m2 and 2.6 cd/A) in standard Mg:Ag devices. In addition, the insertion of the CsF layer increases the maximum power efficiency from 1.6 to 3.3 lm/W. Mechanism responsible for this performance improvement is attributed to the substantial reduction of electron injection barrier by the free Cs metal atoms released at the organic/metal interface. This shallow contact also acts as a diffusion barrier for Mg, suppressing the formation of MgO and the degradation of Alq3 molecules, and thus improves the long-term operational stability." @default.
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- W2022152537 date "2003-10-01" @default.
- W2022152537 modified "2023-10-17" @default.
- W2022152537 title "Efficiency and stability enhancement in organic light-emitting devices with CsF/Mg:Ag cathode" @default.
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- W2022152537 doi "https://doi.org/10.1016/j.cplett.2003.09.015" @default.
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