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صفحه اصلی
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سی و سومین کنفرانس بین المللی مهندسی برق
Simulation Analysis of Electrode Metal Influence on the Microcavity Effect in Organic Light-Emitting Diodes
نویسندگان :
Faezeh Rahimi
1
Mohammad Sedghi
2
Asghar Gholami
3
1- Isfahan University of Technology
2- Isfahan University of Technology
3- Isfahan University of Technology
کلمات کلیدی :
OLED،Fabry-Pérot،microcavity effect
چکیده :
Considering the development of nanotechnology and organic electronics, organic light-emitting diodes (OLEDs) have taken center attention as a promising light source in recent years. However, due to the Fabry-Pérot cavity effect, there is an inherent trade-off between the external quantum efficiency and the spectral linewidth of OLEDs. The cathode material plays a significant role in formation of a microcavity in OLEDs due to its distinct absorption and reflection coefficients, which in turn, substantially influence the device's performance. In this work, three two-dimensional OLED structures with Aluminum, Chromium and Copper were simulated using the finite-difference frequency-domain method with the COMSOL Multiphysics wave optics module. To reduce memory usage and simulation time, an interface between COMSOL and MATLAB was utilized. Subsequently, the far-field pattern of the device was calculated using the Fourier transform method. The results demonstrated that the device with an aluminum cathode showed superior performance compared to the others, achieving a full width at half maximum of 23 nm and a finesse factor of 4.7, respectively.
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بیشتر
ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 43.6.0
