Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3093675
Keywords
aluminium; electrodes; electroluminescent devices; II-VI semiconductors; light emitting devices; nanoparticles; nanotechnology; spin coating; thick films; wide band gap semiconductors; zinc compounds
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Funding
- Deutsche Forschungsgemeinschaft (DFG) (German Research Foundation) [GRK 1240]
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We report on room-temperature electroluminescence from an all-inorganic light emitting device based on spin-coated ZnO nanoparticles. A tight submicron thick layer was fabricated on a fluorine doped tin oxide glass as a substrate using commercially available ZnO nanoparticles from the gas phase. After the evaporation of the top Al electrode, a diodelike I-V characteristic was obtained. An emission peak at around 390 nm and a broad defect-related electroluminescence in the visible range were observed at voltages below 10 V and ambient air conditions.
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