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Title: Electrochemical treatment of ITO surface for performance improvement of organic light-emitting diode
Authors: Huang, Z.H.
Zeng, X.T.
Kang, E.T. 
Fuh, J.Y.H. 
Lu, L. 
Sun, X.Y.
Issue Date: Jun-2006
Citation: Huang, Z.H., Zeng, X.T., Kang, E.T., Fuh, J.Y.H., Lu, L., Sun, X.Y. (2006-06). Electrochemical treatment of ITO surface for performance improvement of organic light-emitting diode. Electrochemical and Solid-State Letters 9 (6) : H39-H42. ScholarBank@NUS Repository.
Abstract: Electrochemically modified indium-tin oxide (ITO) surfaces were used as hole injection electrodes in organic light emitting devices. Substantial improvement in hole injection and electroluminescence efficiencies were observed in devices with the sample configuration of ITONPBAl q3 LiFAl. The turn-on voltage reduced from 5.3 V for device with pristine ITO to 2.8 V for device with ITO pretreated electrochemically at +2.4 V in K4 P2 O7 electrolyte. The current and power efficiencies at 20 mA cm2 were increased correspondingly from 3.0 cdA and 0.84 lmW to 3.4 cdA and 1.24 lmW. The mechanisms behind this performance enhancement were discussed. © 2006 The Electrochemical Society.
Source Title: Electrochemical and Solid-State Letters
ISSN: 10990062
DOI: 10.1149/1.2191008
Appears in Collections:Staff Publications

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