Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1665896 | Thin Solid Films | 2013 | 4 Pages |
•Transparent conductive oxide (TCO) electrodes are proposed for UV light-emitting diodes.•These TCO electrodes are based on evaporated indium tin oxide (ITO)-rods.•Single walled carbon nanotube (SWCNT) layers are used as a current spreading layer.•The proposed TCO electrode structures show more than 90% transmittance at 280 nm.
In this paper, we report a transparent conductive oxide electrode scheme working for ultraviolet light-emitting diodes based on indium tin oxide (ITO)-rod and a single walled carbon nanotube (SWCNT) layer. We prepared four samples with ITO-rod, SWCNT/ITO-rod, ITO-rod/SWCNT, and SWCNT/ITO-rod/SWCNT structures for comparison. As a result, the sample with SWCNT/ITO-rod/SWCNT structures showed the highest transmittance over 90% at 280 nm and the highest Ohmic behavior (with sheet resistance of 5.33 kΩ/□) in the current–voltage characteristic curves.