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19 Articles
Researchers achieve record-breaking RF GaN-on-Si transistor performance for high-efficiency 6G power amplifiers
Tech

Researchers achieve record-breaking RF GaN-on-Si transistor performance for high-efficiency 6G power amplifiers

Cross-sectional TEM image of the gate structure in imec’s GaN-on-silicon transistor. The image shows the finely etched gate region that enables the device’s...

How to achieve a lasting ceasefire between Russia and Ukraine? | Russia-Ukraine war
World News

How to achieve a lasting ceasefire between Russia and Ukraine? | Russia-Ukraine war

A Russian drone strike hit Ukraine’s Sumy region hours after first direct talks in three years. It took three years to get officials...

All-organic solar cells achieve record efficiency by doubling previous performance
Tech

All-organic solar cells achieve record efficiency by doubling previous performance

Example of damage to the lower layer of a solar cell disposal formed from multilayer films when fabricating electrodes using a solution processes....

Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency
Tech

Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency

Solar cell fabrication and photovoltaic performance. Credit: Nature Energy (2025). DOI: 10.1038/s41560-025-01756-2 Over the past few decades, solar cells have become increasingly widespread,...

Flexible tandem solar cells achieve 24.6% efficiency and withstand 3,000 bends in new study
Tech

Flexible tandem solar cells achieve 24.6% efficiency and withstand 3,000 bends in new study

Flexible perovskite/CIGS tandem solar cells developed using the antisolvent-seeding approach. Credit: NIMTE Chinese scientists have found a way to make flexible tandem solar...

Nissan’s new CEO says the Japanese automaker will move faster to achieve a turnaround
Tech

Nissan’s new CEO says the Japanese automaker will move faster to achieve a turnaround

Nissan Chief Executive Makoto Uchida speaks during a joint news conference in Tokyo, Japan, on Dec. 23, 2024. Credit: AP Photo/Eugene Hoshiko, File...

‘Zero modification’ emission layer can achieve high-performance perovskite LEDs
Tech

‘Zero modification’ emission layer can achieve high-performance perovskite LEDs

The newly developed polycaprolactone@silver nanoparticle layer significantly enhances energy transfer and spontaneous emission in perovskite LEDs, improving performance (luminance of 11,320 cd/m² and...

SrZrSe₃ chalcogenide perovskites with advanced metal sulfide hole transport layers achieve 27.8% efficiency
Tech

SrZrSe₃ chalcogenide perovskites with advanced metal sulfide hole transport layers achieve 27.8% efficiency

Solar cell structure with varying metal sulfides as HTLs Credit: Dr. Latha Marasamy As the world increasingly prioritizes sustainable energy solutions, solar power...

Nigerian Artists Achieve Unprecedented ₦58 Billion in Spotify Royalties for 2024
Music

Nigerian Artists Achieve Unprecedented ₦58 Billion in Spotify Royalties for 2024

In a landmark achievement for Nigeria’s music industry, artists have collectively earned over ₦58 billion in royalties from Spotify in 2024. This remarkable...