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Proceedings Paper

Low operation voltage UV-light emitting device based on ZnO nanoparticles
Author(s): Ekaterina Neshataeva; Tilmar Kuemmell; André Ebbers; Gerd Bacher
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Paper Abstract

Semiconductor nanoparticles are attractive candidates for future large-area light emitting devices that are both costeffective and robust. We demonstrate a ZnO nanoparticle light emitting device realised without organic support layers. Tight layers with subμm thickness were fabricated using commercially available ZnO nanoparticles from the gas phase and fluorine-doped tin oxide glass as a substrate. After evaporation of a top electrode, a non-linear I-V characteristic was obtained. At room temperature, the device operates at voltages of only few Volts and shows electroluminescence in the visible spectral range and a pronounced UV peak related to near-band emission of the ZnO.

Paper Details

Date Published: 12 February 2009
PDF: 10 pages
Proc. SPIE 7217, Zinc Oxide Materials and Devices IV, 721707 (12 February 2009); doi: 10.1117/12.808149
Show Author Affiliations
Ekaterina Neshataeva, Univ. Duisburg-Essen (Germany)
Tilmar Kuemmell, Univ. Duisburg-Essen (Germany)
André Ebbers, Evonik Degussa GmbH (Germany)
Gerd Bacher, Univ. Duisburg-Essen (Germany)


Published in SPIE Proceedings Vol. 7217:
Zinc Oxide Materials and Devices IV
Ferechteh Hosseini Teherani; Cole W. Litton; David J. Rogers, Editor(s)

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