초록 |
Graphene-based transparent conductive electrodes were successfully fabricated on GaN-based UV LEDs. UV light was emitted in whole graphene region due to its good current spreading effects. The electrical and optical characteristics of UV LEDs with graphene-based transparent conductive electrodes were drastically enhanced by AuCl3-based p-type doping of graphene layer because the sheet resistance of graphene layer was largely decreased by AuCl3-based p-type doping. Then, the long-term stability of AuCl3 doping in graphene layer was enhanced by SiNx passivation layer. |