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Model and optimise multilayer optoelectronic devices with validated optics and device physics.

Trusted in 700+ peer-reviewed publications.

  • Optics for multilayer stacks (absorption, EQE-relevant optics)

  • Dipole emission (spectra, optical modes, angular emission)

  • Drift-diffusion + exciton dynamics (steady-state and transient)

  • Thermal coupling (self-consistent device temperature and impact on electrical and optical behaviour)

Used by R&D teams in industry and academia

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For over 20 years, Setfos has powered thin-film device simulation. Trusted by industry and academia and used in 700+ peer-reviewed publications.

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“ I highly recommend Setfos, which I mostly use for simulating and understanding both time (TPV, TPC) and frequency domain (IMVS, IMPS and IS) measurements on perovskite solar cells. The user interface is easy to use and manipulate in combination with the scripting and sweep features, allowing to set up and simulate complex experiments easily. The engineers and scientists at Fluxim also provide excellent support and have been very helpful with any questions and clarifications asked of them.”

Dr Sandheep Ravi Shankar, Forschungszentrum Jülich GmbH

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Is Setfos right for your research?

Setfos is ideal if you:

  • Work on OLEDs, solar cells, photodetectors, or multilayer thin-film stacks

  • Need optical simulation (absorption, optical losses, emission/outcoupling)

  • Want device-physics insight (e.g., drift-diffusion behavior, recombination/transport trends)

  • Plan to run parameter sweeps or automate studies (repeatable, publishable workflows)

  • Care about reproducibility and results you can confidently report

Setfos may not be ideal if you:

  • Need large-area device design & FEM electro-thermal modeling (OLED panels, PV mini-modules/arrays) — take a look at Laoss

  • Need 3D ray tracing for complex light-coupling/textures or optical cross-talk in OLED displays — Laoss Optical is built for this.

  • Need display-level pixel/subpixel concept evaluation (power consumption + colour coverage based on displayed content) — take a look at Opixs

Simulate with confidence—before your next build or publication

Model reliable, comparable thin-film device behavior with research-grade simulation. Talk to a Setfos simulation expert to see if Setfos fits your research and development workflow.

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Dr. Balthasar Blülle

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Dr. Urs Aeberhard

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Dr. Matthias Diethelm

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