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Perovskite

Watch how to improve perovskite solar cells in 2D!

Saudi researchers claim to have improved the thermal stability and moisture resistance of such devices by replacing 3D hybrid perovskite with two-dimensional compounds. They used organic compound ethanolamine, which is said to provide better results in slowing down the hot-carrier cooling process.

Panasonic claims 16.09% efficiency for lightweight perovskite solar module

The device has an area of 802cm² and thickness of 2mm. The manufacturer claims it improved module performance through an inkjet coating method and a reduction in weight by using thin glass substrates.

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All-inorganic perovskite solar cell hits 16.1% efficiency

Researchers from the City University of Hong Kong have developed an all-inorganic perovskite cell with an electron-pair donor which offers a pair of non-bonding electrons. The cell was developed by applying that ‘Lewis base’ small molecule to passivate the inorganic perovskite film.

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Putting the strain into engineering a more stable perovskite

U.S. researchers claim to have improved the stability of one of the most promising halide perovskites – α-FAPbI3 – by squeezing the compound’s crystal lattices. The authors of the research prevented the crystal assuming an hexagonal shape at the room temperatures required for a PV device to operate properly.

Japanese manufacturer acquires rights to produce 23.26% efficient CIGS perovskite cell developed by HZB and Kaunas University

The research group that developed the cell said the two materials used to produce it, dubbed 2PACz and MeO-2PACz, will soon be commercially available. The material consists of 1-2nm of self-assembled monolayers deposited on the surface of the perovskite by dipping it into a diluted solution.

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A new perovskite material for solar applications

Barium zirconium sulfide is another chalcogenide perovskite being tested in relation to the development of more efficient solar cells. Researchers at Buffalo University, in New York state, have created a thin-film based on the material they say offers significant light absorption and good charge transport.

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Oxbridge scientists seek to explain electron dynamics in perovskite cells

Researchers from the two prestigious U.K. universities are analyzing spatiotemporal charge-carrier dynamics in the perovskite materials used for solar applications. They have discovered the carriers propagate ballistically over 150nm within 20fs of photon absorption.

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Chalcogenide perovksites for PV energy and waste heat recovery

According to new research, metal chalcogenide perovskites can be used as a thermoelectric material than can convert thermal energy from the sun to usable electric power. These materials, which can also be used to develop perovskite PV cells, are known for their high thermal and aqueous stability, along with their nontoxic elemental composition.

New sandwich-like material for lead-free perovskite solar cells

Scientists from Purdue University claim to have created a new material that incorporates both organic and inorganic materials. Its hybrid structure is said to improve the thermal stability of perovskite PV cells without the need to use lead.

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MIT scientists develop a coating for perovskites

Researchers at the Massachusetts Institute of Technology have developed a transparent coating they successfully incorporated into a perovskite solar cell, increasing efficiency and stability. The group says with further improvements the material could be used as a simpler, less expensive alternative to widely used indium tin oxide as a transparent conductive material for a range of applications.

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