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Spin-flip emitter harvests doubled excitons for higher solar cell efficiency

Mar 25, 2026 A molybdenum-based spin-flip emitter harvested singlet fission excitons at 130% quantum yield, demonstrating a new path beyond the Shockley-Queisser solar cell efficiency limit. (Nanowerk News) Solar cells built from standard semiconductors can convert only about one-third of incoming sunlight into electricity. High-energy photons waste their excess as...

Why solid-state batteries keep short-circuiting

Mar 25, 2026 New insights into metallic cracks that harm battery performance could advance the longstanding quest to develop energy-dense solid-state batteries. (Nanowerk News) Batteries that use solid metal as their charge-carrying electrolyte could potentially be a safer and far more energy-dense alternative to lithium-ion batteries. However, these solid-state batteries...

Radio signals from the edge of extreme stars

Mar 25, 2026 Astronomers found evidence that some of the fastest-spinning stars in the Universe broadcast radio waves from far beyond where scientists thought possible. (Nanowerk News) Pulsars are ultra-dense, rapidly spinning, and highly magnetised remnants of dead stars. They act like cosmic lighthouses, sending out regular pulses of radio...

Silicon nanospheres amplify second-harmonic generation while preserving valley polarization

Mar 25, 2026 Silicon nanospheres amplify second-harmonic generation from monolayer semiconductors over 40-fold while retaining valley-polarization information. (Nanowerk News) A team of researchers has demonstrated that silicon nanospheres placed on monolayer tungsten disulfide can amplify second-harmonic generation more than 40-fold without disrupting the circular polarization that encodes valley information. Published...

Programmable DNA origami nanodevice reveals force-dependent protein interactions

Mar 25, 2026 Tunable DNA hairpin springs stretch millions of protein copies under piconewton tension, enabling bulk biochemical discovery of binding partners invisible to single-molecule techniques. (Nanowerk Spotlight) Some proteins only reveal their full function when they are physically pulled. Under tension, their folded structures open up, exposing surfaces that...

New donor-acceptor self-assembled molecules boost perovskite solar cell efficiency

Mar 25, 2026 Fluorinated donor-acceptor self-assembled molecules achieve 25.02% efficiency in inverted perovskite solar cells while improving film quality and ambient stability. (Nanowerk News) Perovskite solar cells built with a new class of donor-acceptor self-assembled molecules show measurable gains in both efficiency and durability. Researchers at National Taiwan University designed...