Scientists use machine finding out to increase computational research study of perovskite alloy products

Nov 30, 2022 09:50 PM ET
  • Researchers in the CEST team have actually released a research study demonstrating the performance of machine learning approaches to identify ideal perovskite solar cell products. Perovskite solar cells are a novel technology gathering a lot of rate of interest due to their high efficiency as well as possibility for radically lower manufacturing expenses when compared to the standard silicon-based solar cells.
Scientists use machine finding out to increase computational research study of perovskite alloy products
Image: J. Laakso

Despite their promising qualities, the commercialization of perovskite solar cells has actually been kept back by their rapid degradation under environmental stresses, such as warm as well as moisture. They also have toxic compounds that can adversely impact the atmosphere. The look for new perovskite products that do not have these problems is ongoing, however the established speculative as well as computational research methods have actually not had the ability to manage the high number of product candidates that require to be tried and also evaluated.

CEST members Jarno Laakso as well as Patrick Rinke, with collaborators from University of Turku and China, created new machine learning-based methodology for rapidly forecasting perovskite residential or commercial properties. This new technique speeds up calculations and also can be used to examine perovskite alloys. These alloy materials consist of numerous prospects for improved solar cell materials, however researching them has been difficult with conventional computational approaches.

The scientists showed the performance of the new method by discovering the most stable mixing fractions for an alloy of CsPbCl3 as well as CsPbBr3 perovskites. Having an effective method for researching the stability of perovskite alloys is a key step towards engineering solar cells that are extra resistant to destruction.

The very same methodology that was put on perovskites in this study can boost the exploration of various other new alloy products. After the first success with their machine finding out strategy, Laakso as well as partners are looking into studying more complicated perovskite alloys to discover solar cell products that are highly efficient, nontoxic, and also resistant to destruction.

The research study is released in the journal Physical Review Materials.

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