Nano antennas array for improving the light emission rate of organic phosphorescence
Abstract
In this paper we present how nano antennas arrays based on Al and Au were successfully increased the phosphorescence emission rate of Iridium-polypyrrole (Irppy3) and Platinum-octaethyl-porphyrin (PtOEP) solutions - which are commonly used as the active layer in organic light emitting diode (OLED) devices. Using electron beam lithography, the nano antennas were embedded inside those organic solutions and lab measurements were conducted. The lifetime of the organic solutions excitons', was decreased by 15%, while the photoluminescence was improved by 10% due to the improvement of the OLED internal and extraction efficiency.
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