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Search results for “Solar Flare”

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BepiColombo and Solar Orbiter compare notes at Venus

The BepiColombo and Solar Orbiter missions provided a unique insight into Venus' atmosphere retention through their gravity-assist flyby. The study revealed that the induced magnetosphere protects the atmosphere from solar wind erosion, extending to an unexpected distance of 1,900 km above the planet's surface.

SourceEuroplanet·JournalNature Communications·TypeObservational study·DateJan 26, 2023

Small solar flares in large laser bodies

Scientists recreated small solar flares in a lab using high-powered lasers, shedding light on the mechanisms behind magnetic reconnection. They recorded electrical currents and plasma acceleration, providing new insights into this fundamental astronomical phenomenon.

SourceKyushu University·JournalPhysical Review E·TypeExperimental study·DateDec 7, 2022

Cooling down solar cells, naturally

Researchers found that optimizing solar panel spacing and direction can increase energy production by 2-3% through natural convection. The study's model improves estimates of solar plant efficiency, paving the way for more accurate cost predictions.

SourceAmerican Institute of Physics·JournalJournal of Renewable and Sustainable Energy·DateNov 29, 2022

Death of a star reveals midsize black hole lurking in a dwarf galaxy

Astronomers used the Young Supernova Experiment to detect an intermediate-mass black hole in a dwarf galaxy, revealing its mass and providing insight into supermassive black hole growth. The study aims to improve understanding of black hole-galaxy relationships and inform theories on supermassive black hole formation.

SourceUniversity of California - Santa Cruz·JournalNature Astronomy·TypeObservational study·DateNov 10, 2022

Achieving photovoltaic power generation for over 1,000 continuous hours at an efficiency of more than 20%

Researchers developed a durable perovskite solar cell capable of generating electricity for over 1,000 continuous hours with an efficiency of more than 20%. The team improved durability by creating a water-repellent interface between the electron and hole transport layers.

SourceNational Institute for Materials Science, Japan·JournalAdvanced Energy Materials·TypeExperimental study·DateOct 5, 2022

Singapore team develops new technology that upcycles old, expired solar panels into heat-harvesting electricity materials

A team of scientists from A*STAR and NTU Singapore have developed technology to transform expired solar cells into enhanced thermoelectric material, which harvests heat and converts it into electricity. The technology achieved a record-high thermoelectric figure of merit of 0.45 at 873 K.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalAdvanced Materials·TypeExperimental study·DateJun 29, 2022

Novel solar cell architecture performs well under real-world constraints

Researchers developed a hot-carrier multijunction solar cell that maintains high conversion efficiency with nonoptimal materials, expanding the scope of candidate designs. The novel architecture showed superior resilience to design imperfections, widening the range of suitable materials and operating conditions.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Photonics for Energy·DateJun 1, 2022

New light on organic solar cells

Researchers at Linköping University have identified the key to minimizing energy losses in organic solar cells. By studying the energy level alignment at donor/acceptor interfaces, they discovered a systematic mapping that points to new ways forward for developing more efficient and sustainable solar cell materials.

SourceLinköping University·JournalNature Communications·DateMay 17, 2022

CityU chemists develop a strategy for highly efficient and stable perovskite solar cells

A research team from City University of Hong Kong and Imperial College London developed a new strategy for highly efficient and stable perovskite solar cells using ferrocene molecules. The breakthrough invention can achieve efficiency of up to 25% while maintaining stability, making it a promising alternative to silicon solar cells.

SourceCity University of Hong Kong·JournalScience·TypeExperimental study·DateApr 21, 2022

Pusan National University researchers show how radiative coolers can “beat the heat” off solar cells

Pusan National University researchers demonstrate the effectiveness of integrating a radiative cooler with a multi-junction solar cell, achieving a 6°C temperature drop and a 2% increase in open-circuit voltage. This breakthrough could lead to more efficient and eco-friendly solar cells, paving the way for renewable energy sources.

SourcePusan National University·JournalAdvanced Energy Materials·TypeExperimental study·DateFeb 10, 2022

Rapid preparation of CdSe thin-film solar cells

A new rapid thermal evaporation method was developed to deposit high-quality CdSe thin films, enabling the creation of efficient CdSe solar cells. The study achieved an efficiency of 1.88% in a Si-based tandem configuration, demonstrating potential for high-performance solar cells.

SourceHigher Education Press·JournalFrontiers of Optoelectronics·TypeExperimental study·DateJan 10, 2022

You can help scientists study the Sun

The Solar Jet Hunter project, led by researchers at the University of Minnesota and supported by NASA, allows volunteers to identify solar jets in images captured over 11 years. By annotating images, citizen scientists contribute to a database that helps narrow down data on the Sun for further review.

SourceUniversity of Minnesota·TypeObservational study·DateDec 8, 2021