Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 10, Issue 1, Pages 146-150Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2007.11.010
Keywords
zinc oxide; nanorod; poly(3-methylthiophene); light-emitting diode; electrochemical approach
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We report simple electrochemical methods for rapid growth of freestanding wurtzite ZnO nanorods in an aqueous solution and the following fabrication of a ZnO nanorod/poly(3-methylthiophene) heterojunction light-emitting diode. The typical electroluminescence spectra obtained from this heterostructure device under forward bias show a strong ultraviolet peak and a weak visible emission. The emission of the heterostructure device is much stronger than that of the ZnO-only structure and the turn-on voltage is about 7 V. (C) 2007 Elsevier B.V. All rights reserved.
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