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Search results for “perovskite”

NREL scientists build all-perovskite tandem solar cell with 23.1% efficiency

The U.S. based researchers have developed a new wide-bandgap perovskite layer – called Apex Flex – which they claim is able to withstand heat, light, and operational tests, and at the same time provide a reliable and high voltage. With this material, they built tandem solar cells with 23.1% power conversion efficiency on a rigid substrate, and 21.3% on flexible plastic.

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Chemical assist for stable perovskite cells at 23% efficiency

Scientists at the École Polytechnique Fédérale de Lausanne have developed a new ‘chemical innovation’, for the deposition of perovskite solar cells onto a substrate. The method is shown to produce cells at better than 23% efficiency, that remained stable after 500 hours testing at a raised temperature.

Perovskite solar cell based on metal-organic framework with 22.02% efficiency

Scientists in Hong Kong have developed a cell they say retains more than 90% of its initial efficiency under accelerated testing conditions. The device is based on two-dimensional metal-organic frameworks.

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Modular systems to produce perovskite-silicon cells on six-inch wafers

Researchers in Germany are scaling up efforts to bring perovskite-silicon tandem solar cell technology into industrial scale production. The scientists say manufacturing cells of that kind is possible on widely-available six-inch silicon wafers and modular systems are being designed to do so at scale.

Perovskites in space

Scientists led by the Technical University of Munich have packed a variety of perovskite and organic solar cells onto a rocket, and sent it into orbit 240 kilometers above the planet’s surface. Their results demonstrate strong potential for such technologies to power satellites and even deep space missions.

German-led consortium aims for 33% efficient perovskite-silicon solar cell

The Institute for Solar Energy Research Hamelin (ISFH), the Karlsruhe Institute of Technology (KIT) and the Institute for Materials and Components in Electronics at the University of Hannover, as well as Centrotherm, Singulus, Meyer Burger and Von Ardenne are involved in a research project aimed at achieving a 27% conversion efficiency for silicon solar cells based on perovskite.

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‘Spontaneous de-doping’ for 17.8%-efficient perovskite mini-module

U.S. scientists have found a new ‘de-doping’ process in perovskite solar cells that could cut production costs and produce better devices. They have used this to fabricate a mini-module with 17.8% efficiency.

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A step forward for single-crystal perovskites

Scientists in the United States have developed a lithography-based process for the fabrication of single-crystal perovskites. Thin films made using this process have been integrated into a range of devices, including solar cells, and have demonstrated better stability performance than their more commonly researched polycrystalline counterparts.

Perovskite structure also benefits batteries

Scientists at Germany’s Karlsruher Institute of Technology are leading an investigation into a new lithium-ion battery anode. The innovation has a perovskite crystalline structure and, according to the researchers, could provide strong all-round performance from simpler, cheaper production methods than those used for other anode materials.

Rooftop solar window based on semi-transparent perovskite solar cells

A prototype of an energy-harvesting, solar-powered smart window device has been developed by scientists from the U.S. Department of Energy’s Argonne National Laboratory. The window was created by integrating a semi-transparent perovskite solar cell and a multi-layer nanophotonic coating.

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