Study on the vacuum-free fabrication of highly efficient polymer light-emitting diodes based on hybrid lamination electrodes
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초록
내용
Up to dates, the research on high-cost OLED manufacturing using vacuum deposition methods has been widely applied for conventional OLED devices. Nevertheless, the demand for low-cost fabrication in ambient conditions has increased for OLED cost-effectiveness. To address this, our study proposes a vacuum-free, low-cost OLED manufacturing process using hybrid lamination electrodes with conductive polymer layers and silver nanowires to enhance electroluminescence performance. We investigated the influence of the laminating temperature of hybrid top electrodes on the light-out efficiency of polymer light-emitting diodes (PLEDs). Our findings revealed that laminating temperature controls the electrical contact between the conductive polymer in the laminated electrode and the underlying emitting polymer layer. Optimization studies led to highly efficient PLEDs with performance comparable to those made through vacuum deposition. Detailed analysis will be presented.