Developed by scientists in China, the cell achieved an open-circuit voltage of 1.192V, and a fill factor of 80.67%. Its perovskite capping layer was treated with a special ionic liquid that had a positive influence on both the device’s efficiency and stability.
The use of phosphorene nanoribbons boosted the cell, putting it on par with traditional silicon cell output levels.
A German-Italian research team has designed an inverted perovskite solar cell with a short-circuit current of 1.184 V and a remarkable fill factor of 85%. The device was built by modifying its interfaces with large organic cations.
The solar-powered electronic shelf labels are intended for use in retail stores. Users are enabled to change prices centrally and synchronously across all retail stores within a chain.
The solar cell was built with a layer of organic cations between the iodide on top, and lead on the bottom enhanced interactions between the layers. Its creators designed the device after they discovered that, when the sunlight hits a 2D perovskite, it contracts the space between atomic layers in the material.
The result was certified by Germany’s Fraunhofer Institute for Solar Energy Systems’ (ISE) CalLab and included in the charts of the U.S. Department of Energy’s National Renewable Energy Laboratory.
An international team of scientists trialled a new approach to passivating defects in perovskite solar cells. Using a tailored arrangement of atoms, the team was able to overcome challenges related to the formation of a two-dimensional perovskite layer on top of the active cell material, and reach 21.4% conversion efficiency for a 26cm² active area, which they claim as a record for a perovskite device of this size.
Scientists in India conducted a techno-economic analysis for a 100 MW production line for carbon-electrode perovskite solar modules, located in Himachal Pradesh, India. The analysis concludes that, even at the smaller scale, this emerging technology could achieve cost levels comparable with today’s silicon solar products.
The Solliance consortium has built a solar cell in a four-terminal tandem configuration that combines a 17.8%-efficient highly near-infrared transparent perovskite cell with a prototype of an 11.4%-efficient c-Si interdigitated back contact silicon heterojunction cell developed by Panasonic.
The solar cell was built on a fluorine-doped tin oxide substrate coated with titanium dioxide, an electron selective layer made of mesoporous titanium dioxide, a zirconium dioxide insulating spacer layer, and a graphite electrode. A mini-module fabricated with this cell passed, for the first time, a hotspot test.
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