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© 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim A novel cross-linkable electron-transport material has been designed and synthesized for use in the fabrication of solution-processed OLEDs. The material exhibits a low LUMO level of −3.51 eV, a high electron mobility of 1.5×10−5cm2V−1s−1, and excellent stability. An average 9.3 % shrinkage in film thickness was observed for the film after thermal curing. A maximum external quantum efficiency (EQE) of 15.6 % (35.0 cd A−1) was achieved for blue-phosphorescent OLEDs by spin-coating and 13.8 % (31.0 cd A−1) for an ink-jet-printed device, both of which are better than the EQE of a control device prepared by vacuum-deposition (see figure).

Original publication

DOI

10.1002/chem.201603994

Type

Journal article

Journal

Chemistry - A European Journal

Publication Date

01/01/2016

Volume

22

Pages

16576 - 16585