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In this paper we present how nano antennas arrays based on Al and Au weresuccessfully increased the phosphorescence emission rate of Iridium-polypyrrole(Irppy3) and Platinum-octaethyl-porphyrin (PtOEP) solutions - which arecommonly used as the active layer in organic light emitting diode (OLED)devices. Using electron beam lithography, the nano antennas were embeddedinside those organic solutions and lab measurements were conducted. Thelifetime of the organic solutions excitons', was decreased by 15%, while thephotoluminescence was improved by 10% due to the improvement of the OLEDinternal and extraction efficiency.

Nano antennas array for improving the light emission rate of organic phosphorescence