Research Blogs
TADF OLEDs and Hyperfluorescent OLED Simulation with Setfos
Simulation of Organic light‐emitting diodes (OLEDs) using thermally activated delayed fluorescence (TADF). Emission zone analysis and a parameter study. Possible routes for efficiency enhancement.
How to correctly simulate the EQE of an organic tandem solar cell using full optoelectronic simulations
Learn how to accurately simulate the external quantum efficiency (EQE) of organic tandem solar cells with full optoelectronic models in SETFOS. Explore optical and electrical setups, EQE measurement techniques, and design optimizations.
Impact of Photon Recycling on the Efficiency of Light Extraction in Metal Halide Perovskite Light Emitting Diodes
We introduced a theoretical treatment of photon emission and recycling in optoelectronic semiconductor devices that is free of non-physical divergencies. Here, we now show the application of this framework to the assessment of the impact of PR on the light extraction efficiency in perovskite LEDs. This treatment goes from the analysis of contributing photonic modes in single emitter slab configurations to the evaluation of the external LED quantum efficiency in realistic device stacks.
EQE optimization For a Top-Emitting OLED
The external quantum efficiency (EQE) is the number of photons emitted by an OLED per number of injected charges. Photons are generated in the device emitting layer (EML), but most of the light is not escaping the device because of thee main loss mechanisms: Total Internal Reflection, Absorption Losses and Surface Plasmon Polaritons (SPPs). In this example, we are showing how to use Setfos to optimize the geometry of an OLED towards high light-outcoupling efficiency.