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463 Current news about the topic solar cells

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Electricity even in poor lighting conditions

2nd place for Empa spin-off Perovskia Solar

02-Jan-2023

The Empa spin-off Perovskia Solar has been awarded second place at the Swiss Innovation Challenge, leaving more than 100 competitors behind. The prizes were presented by Federal Councilor Guy Parmelin. Perovskia Solar manufactures digitally printed, customizable solar cells that seamlessly ...

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World record back at HZB: Tandem solar cell achieves 32.5 percent efficiency

Interface modifications

20-Dec-2022

The current world record of tandem solar cells consisting of a silicon bottom cell and a perovskite top cell is once again at HZB. The new tandem solar cell converts 32.5 % of the incident solar radiation into electrical energy. The certifying institute European Solar Test Installation (ESTI) in ...

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Producing ‘green’ energy — literally — from living plant ‘bio-solar cells’

Scientists have turned to photosynthesis to generate current

15-Dec-2022

Though plants can serve as a source of food, oxygen and décor, they’re not often considered to be a good source of electricity. But by collecting electrons naturally transported within plant cells, scientists can generate electricity as part of a “green,” biological solar cell. Now, researchers ...

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New discoveries made about a promising solar cell material, thanks to new microscope

23-Nov-2022

A team of scientists from the Department of Energy’s Ames National Laboratory developed a new characterization tool that allowed them to gain unique insight into a possible alternative material for solar cells. Under the leadership of Jigang Wang, senior scientist from Ames Lab, the team ...

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A novel concept for photovoltaics

15-Nov-2022

The group of Prof. Yana Vaynzof at the Integrated Center for Physics and Photonic Materials (IAPP) and the Center for Advancing Electronics Dresden (cfaed) at Technische Universität Dresden has demonstrated a novel concept for solar cells, that exploits the ability of materials to exist in ...

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Tandem solar cells with perovskite: nanostructures help in many ways

Customised nanotextures can help to improve perowskite semiconductor materials on diverse levels

02-Nov-2022

By the end of 2021, teams at HZB had presented perovskite silicon tandem solar cells with an efficiency close to 30 percent. This value was a world record for eight months, a long time for this hotly contested field of research. In the journal Nature Nanotechnology, the scientists describe how ...

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Flexible solar cells with record efficiency of 22.2%

Gaining power

12-Oct-2022

One year after announcing an efficiency record, Empa scientists have achieved a new mark of 22.2% for flexible CIGS solar cell on polymer film. Solar cells of this type are especially suited for applications on buildings, vehicles, satellites, airships, and mobile devices. Empa researchers have – ...

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Photosynthesis copycat may improve solar cells

The new approach moves energy efficiently and could reduce energy losses converting light into electricity

08-Sep-2022

A relatively new kind of semiconductor, layered atop a mirror-like structure, can mimic the way that leaves move energy from the sun over relatively long distances before using it to fuel chemical reactions. The approach may one day improve the efficiency of solar cells. "Energy transport is one ...

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Building blocks of the future for photovoltaics

Research team observes formation of "dark" moiré interlayer excitons for the first time

19-Aug-2022

An international research team led by the University of Göttingen has, for the first time, observed the build-up of a physical phenomenon that plays a role in the conversion of sunlight into electrical energy in 2D materials. The scientists succeeded in making quasiparticles – known as dark Moiré ...

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Energy transition: new-generation solar cells raise efficiency

19-Apr-2022

A research team has developed a highly efficient tandem solar cell composed of perovskite and organic absorbers which can be produced at a lower cost than conventional solar cells made of silicon. The further development of this technology is expected to make solar energy even more sustainable. A ...

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