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Proceedings Paper

Effects of Ag doping on the ZnO nanorods inorganic/organic heterostructure LED
Author(s): X. L. Zhang; J. L. Zhao; S. G. Wang; H. T. Dai; X. W. Sun
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Paper Abstract

ZnO and Ag-doped ZnO nanorods are fabricated by hydrothermal method. Effects of Ag doping on the ZnO nanorods have been investigated by various measurements. Introduction of Ag in ZnO nanorods has no effects on the surface morphology and growth habits of ZnO. Compared to ZnO nanorods, absorption wavelength shifts red after Ag doping, corresponding to decrease of optical band gap. It is suggested that defects band is introduced into Ag-doped ZnO. Luminescence of Ag-doped ZnO nanorods have been found to have two emission peaks centering at around 520 nm and 680 nm, which can be explained by oxygen vacancy and introduced defects, respectively. ZnO and Ag-doped ZnO nanorods inorganic/organic heterostructure LEDs are reported. The junction consists of nanorods and polymer, which is evaporated or spin-coated on the samples. Ag doping ZnO nanorods inorganic/organic heterostructure LED shows smaller leakage current and better rectification characteristic than pure ZnO nanorods LED device.

Paper Details

Date Published: 4 March 2013
PDF: 8 pages
Proc. SPIE 8641, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVII, 86411N (4 March 2013); doi: 10.1117/12.2002915
Show Author Affiliations
X. L. Zhang, Tianjin Univ. (China)
J. L. Zhao, Tianjin Univ. (China)
S. G. Wang, Tianjin Univ. (China)
H. T. Dai, Tianjin Univ. (China)
X. W. Sun, South Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 8641:
Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVII
Klaus P. Streubel; Heonsu Jeon; Li-Wei Tu; Martin Strassburg, Editor(s)

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