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Issue 48, 2015
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Inverted and large flexible organic light-emitting diodes with low operating voltage

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Abstract

Green phosphorescent inverted organic light-emitting diodes (IOLEDs) with 1,4,5,8,9,11-hexaazatriphenylene-hexacarbonitrile (HAT-CN)/aluminium/n-doped 4,7-diphenyl-1,10-phenanthroline (Bphen) used as an electron injection layer (EIL) were demonstrated. The IOLED shows the lowest driving voltage of 4.5 V at 10 000 cd m−2 to date. The electron injection effects of different interlayers were further investigated by ultraviolet photoelectron spectroscopy (UPS) and evaluating the electron injection efficiency. For application in large-sized OLEDs, a 120 × 120 mm2 flexible IOLED was successfully fabricated based on this inverted structure.

Graphical abstract: Inverted and large flexible organic light-emitting diodes with low operating voltage

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Article information


Submitted
29 Sep 2015
Accepted
17 Oct 2015
First published
19 Oct 2015

J. Mater. Chem. C, 2015,3, 12399-12402
Article type
Paper
Author version available

Inverted and large flexible organic light-emitting diodes with low operating voltage

X. Tang, L. Ding, Y. Sun, Y. Xie, Y. Deng, Z. Wang and L. Liao, J. Mater. Chem. C, 2015, 3, 12399
DOI: 10.1039/C5TC03108G

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