Global Conditionsĭrop-down menus in the Global Conditions tab enable the selection of different continuity models for the various layers of the solar cell.
The first drop-down menu (Cu20) contains the list of layers and the second (NDoping) consists of the available parameters for that layer. Incident photon-to-current efficiency (IPCE).Electrochemical impedance spectroscopy (EIS).Using the Parametric Sweep setting under the Study Types tab, any parameter of any layer can be swept with any of these study types: The name and parameters should be changed to the desired main light-absorbing layer when used. The Layer Stack tab with the default layer name, Cu20, as a P-type semiconductor. The app user can also select Ohmic or Schottky contacts for the model, which specifies rectifying or nonrectifying junctions between the metal and semiconductor.
Meshing can be either user controlled or physics controlled. This tab provides the option to individually add additional layers to match the solar cell design being simulated. Here’s a quick tour of the functionality in each tab. The application presents the user with four tabs: A Quick Tour of the SolCelSim App for Solar Cell Designs In addition, the embedded model of the app can be further adjusted in the Model Builder to couple additional physical processes. The app’s users are also able to derive values from simulating the drift-diffusion equations, including:įinally, the app enables users to export and compare simulation results to imported experimental results. SolCelSim can be used to set up and adjust parameters of a conventional photovoltaic solar cell model, including:
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As live testing of their designs generates new data, the SolCelSim app can be easily recalibrated to reflect the latest results, without rerunning the full model in COMSOL Multiphysics. By narrowing down the pool of potential design choices during the simulation stage, research teams can have greater confidence in the concepts they choose to pursue with experimental prototypes. SolCelSim enables any user to evaluate modeled designs with the same metrics used for a live prototype test. João Vieira describes his simulation app as “an entry point for drift-diffusion simulation of solar cell devices.” His goal was to provide researchers with tools they could use to simulate solar cell designs, even if they are unfamiliar with simulation software. The process is currently under intensive research focused on various semiconductor and catalytic materials.
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Before devoting time and money to live prototypes, researchers can use the SolCelSim software to test new design concepts.Ī PEC cell uses light to separate water molecules into hydrogen and oxygen. Engineers are exploring new materials and processes that could improve PEC technology, and SolCelSim is designed to help them execute simulations of their devices. Photoelectrochemical (PEC) solar cells, which use sunlight to extract hydrogen and oxygen from water, are a promising path for further research. Solar panels have become a familiar sight worldwide, but to accelerate the replacement of fossil fuels as energy sources, the process of converting sunlight into energy must be able to store energy in terms of fuels (i.e., hydrogen) and become cheaper and more efficient.
Learn more about the app below.īeyond Silicon Photovoltaics: Developing New Materials for Photoelectrochemical (PEC) Solar Cells Vieira used the Application Builder in the COMSOL Multiphysics® software to develop SolCelSim as part of his Erasmus+ internship at Slovakia’s University of Zilina, which uses the COMSOL Multiphysics model developed by Dr.
To support research into solar cell technology, MSc student João Vieira developed a simulation app called SolCelSim. Solar energy technology has advanced rapidly in recent years, yet more progress is needed to meet the booming demand for renewable energy. Solar cells are essential tools for the world’s transition toward a less carbon-intensive energy supply.
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