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Search results for “perovskite”

The implications of a messy Meyer Burger-Oxford PV divorce for European perovskites

Last week’s announcement Oxford PV wants to wind up its “exclusive cooperation” with Meyer Burger after the fit out of its 100 MW German factory points to a potential divergence in strategies. And with Meyer Burger considering legal action in response, it could result in a messy, disruptive separation.

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An environmental failsafe for lead-based perovskites

Scientists in Switzerland discovered that certain types of phosphate salt react with lead only in the presence of moisture, to form non-water-soluble phosphates. Incorporating these salts into the architecture of a lead-based perovskite solar cell could greatly reduce the risk of lead seeping into the environment should the cells be damaged, without incurring significant costs or negatively affecting the cell’s performance.

Chemical bath deposition for 21.7%-efficient perovskite solar cell based on tin oxide films

The cell was used to build two perovskite solar modules with a size of 5x5cm and 10x10cm, respectively, and with efficiencies of 15.62% and 11.80%.

Supercomputer scientists dive deep into perovskites

Scientists in the U.S. used sophisticated computer modelling techniques to recreate the microscopic structures of a perovskite solar cell, revealing new information about defects within the materials that could greatly improved performance.

Two years of perovskite progress

Scientists in China examined some of the key achievements in the development of perovskite solar cells in 2020 and 2021. The group finds that translating laboratory achievements onto larger, manufacturable devices, is the biggest challenge, and sees continuing collaboration between the industry and academic researchers as the key to overcoming this challenge.

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Inverted perovskite solar cell with 22.1% efficiency via star-shaped polymer

The solar cell was fabricated with a special polymer that is able to passivate defects at the grain boundaries and interfacial surfaces, inhibit nonradiative recombination and charge-transport loss, and improve stabilities under moisture. The device exhibited a remarkable fill factor, of 0.862.

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n-type perovskite tandem cell hits 27% efficiency

Scientists demonstrated a perovskite-silicon tandem cell that reached 27% conversion efficiency. Though higher tandem cell efficiencies have been achieved, this represents a big jump in efficiency for those utilizing n-i-p architecture, which previously had not surpassed 22%.

Perovskites get a $14m boost

The United States Department of Energy is providing $14 million for a research center for perovskite solar technology. Led by Sandia National Laboratories, the center’s work will focus on establishing standard testing protocols as well as ensuring the long-term reliability of perovskite cells and the bankability of companies setting up to produce them.

Proper recycling could help perovskite modules to outcompete rivals

Proper recycling strategies for perovskite modules could ensure sustainability and improve energy payback times, according to US researchers. They claim that the best recycled perovskite cell architecture could produce an energy payback time of about one month, versus 1.3 to 2.4 years for crystalline silicon modules.

1366 Technologies merges with Hunt Perovskite Technologies

U.S. thin-film manufacturer First Solar and Bill Gates-owned Breakthrough Energy Ventures (BEV) are among the investors in the new company, which is called CubicPV and is expected to develop multi-junction perovskite solar cells with efficiencies of around 30%.

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