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Perovskite

Low-cost deposition tech for perovskite solar cells

Italian and Iranian researchers have developed the new “deposition via an antisolvent-soaked applicator” technique, which they describe as an easily scalable process to produce uniform, pinhole-free perovskite films. They tested the process on a 6.7%-efficient solar cell based on a polyethylene terephthalate substrate, raising its power conversion efficiency by 82%.

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Perovskite solar module with 21.36% efficiency via new passivation tech

Lithuanian scientists built the panel with 23.9% efficient solar cells with operational stability of over 1000 h. The module has an active area of 26 cm2.

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Perovskite ink for flexible solar panels

Developed by a Canadian start-up, Solar Ink can be used to create standalone perovskite solar modules or it can be combined with existing solar modules in a tandem configuration. It can be coated on both flexible and rigid substrates, resulting in translucent solar cells which, in turn, can be used to produce flexible and light modules for application in solar windows and vehicle-integrated photovoltaics.

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Perovskite solar cell with 24.33% efficiency via ionic liquid capping layer

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.

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Paired with ‘wonder material,’ over 21% efficiency demonstrated in perovskite solar cells

The use of phosphorene nanoribbons boosted the cell, putting it on par with traditional silicon cell output levels.

Inverted perovskite solar cell with 23.7% efficiency

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.

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Perovskite solar cells for electronic shelf labels

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.

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Ultra-thin 2D perovskite solar cell with 18.3% efficiency

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.

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Helmholtz Center achieves 29.80% efficiency for perovskite/silicon tandem solar cell

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.

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Isomer passivation for a 21.4% efficient perovskite module

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.

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