12 February 2009 Low operation voltage UV-light emitting device based on ZnO nanoparticles
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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.
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Ekaterina Neshataeva, Tilmar Kuemmell, André Ebbers, Gerd Bacher, "Low operation voltage UV-light emitting device based on ZnO nanoparticles", Proc. SPIE 7217, Zinc Oxide Materials and Devices IV, 721707 (12 February 2009); doi: 10.1117/12.808149; https://doi.org/10.1117/12.808149
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