Highly efficient green top-emitting organic light-emitting devices with metal electrode structure |
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| Affiliation: | 1. College of Information Science and Engineering, Huaqiao University, Quanzhou 362011, PR China;2. National Laboratory of Integrated Optoelectronics, Jilin University, Changchun 130023, PR China |
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| Abstract: | In this work, the electrical and optical characteristics of top-emitting organic light-emitting device (TEOLED) using metal Ag as anode with different thicknesses have been investigated. The emission peak of fabricated TEOLED is 512 nm for a full-width at half-maximum (FWHM) of 48 nm in forward direction. The TEOLED turns on at 3 V with luminance of 2.38 cd/m2 and reaches 16,300 cd/m2 at 9 V. The maximum of current efficiency is 5.2 cd/A at 7 V, corresponding to the external quantum efficiency of 1.72%. |
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