Fluxim provides tools for research and development of new solar cell technologies. Various photovoltaic technologies and materials can be modeled, i.e. organic solar cells, hybrid or quantum dot solar cells, perovskite solar cells, CIGS and others.

Optimize Light Absorption and Light Scattering

Use the simulation software setfos to model light absorption in thin-film photovoltaics. For example, the interference pattern of organic solar cells can be calculated to optimize all layer thicknesses and achieving maximum absorption in the device active layer.

Light scattering structures are often used to enhance the absorption in thin-film solar cells. Our light scattering module allows to define scattering interfaces to simulate and optimize light propagation in a solar cell functionalized with scattering elements.

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Simulate Charge Transport in PVs

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Modeling charge transport in solar cells with the drift-diffusion module of setfos. The simulation results help to understand the device physics and, thereby, improve their efficiency.

Our software is applied to organic, perovskite and other thin film photovoltaic cells. In combination with our measurement system Paios the simulation software gets even more powerful by fitting automatically to measured results.

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Opto-Electrical Characterization of Solar Cells

Our all in one measurement system Paios allows to perform a variety of experimental characterizations on solar cells, including IV, TPV, TPC, CELIV, impedance spectroscopy, capacitance-voltage, charge extraction. Everything is measure automatically, leading to highly consistent measurement results.

Paios contains techniques specially designed for the characterization of perovskite solar cells, such as voltage preconditioning and measurement of the IV-curve hysteresis.

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Simulate the Upscaling of Solar Cells

Record efficiencies are normally achieved on small area devices of a few square millimeters. Scaling-up solar cells to larger areas is a challenge, because ohmic losses due to lateral current flow are affecting the device efficiency.

The simulation software Laoss allows to model large area solar cells. It can be used to optimize, for example, the dimension of the metal grid electrode, or to study the monolithic interconnection between the solar cells in a photovoltaic array.

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