Tandem Solar cell Shows 29.15% Performance

Feb 14, 2020 02:50 PM ET
  • Researchers at Kaunas University of Technology (KTU) have actually accomplished 29.15% effectiveness in a solar cell made from perovskite and also silicon. This worth was licensed by the CalLab of the Fraunhofer Institute for Solar Energy Systems. It stands for a brand-new globe document for a tandem solar aspect, the KTU scientists stated.
Tandem Solar cell Shows 29.15% Performance
Image: photonics.com

To generate the record-breaking cell, the researchers established a product that self-assembles to create a molecular-thick electrode layer. The self-assembled monolayers (SAMs), which are as slim as 1-2 nm, cover the surface area of the solar component. The particles are based upon carbazole head teams with phosphonic acid securing teams and also have the ability to develop SAMs on different oxides.

The scientists incorporated a SAM-based perovskite solar cell right into a tandem style. This caused a cell that showed the capacity to transform 29.15% of the event light into electric power.

Utilizing conventional innovations, 1 gram (g) of silicon suffices to create just a number of square centimeters of a solar component, the scientists claimed. On the other hand, 1 g of the product manufactured by the KTU group suffices to conceal to 1000 square meters (m2) of the component's surface area. Additionally, the self-assembling natural product manufactured at KTU is more economical than the products presently utilized in photovoltaic components. The self-assembling monolayers are developed by a scalable method as well as create a solid link with perovskite product.

" Perovskite-based single-junction and also tandem solar cells are the future of solar power, as they are less costly as well as possibly far more reliable," teacher Vytautas Getautis claimed. "The restrictions of effectiveness of presently readily utilized silicon-based solar components are saturating. Additionally, existing manufacturing capabilities of silicon solar cells can be made use of."

The self-assembling product was used in the manufacturing of an operating solar cell in cooperation with Helmholtz Zentrum Berlin (HZB) in Germany as well as the Center for Physical Sciences as well as Technology in Lithuania. The product, called 2PACz and also MeO-2PACz, will certainly quickly show up in the marketplace, the KTU scientists stated, making refresher course in laboratories around the globe feasible as well as placing the 30% performance mark for solar cells available.


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