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Hydrogen-producing solar cells mimic photosynthesis

One device offers a record-breaking solar-to-hydrogen efficiency while a second harvests water from the air and turns it into hydrogen when exposed to sunlight

Illustration showing sun shining on an array of solar-energy-to-hydrogen devices located in shallow water. A lens system directs UV and visible light to the devices and infrared light to heat the water around them.

Surface-science modalities shed new light on lithium diffusion in battery materials

Established surface-science tools could help industrial scientists to fast-track the evaluation of advanced materials for energy-storage applications

Phase heterojunction solar cell is a first

New photovoltaics concept is based on junctions between different crystalline phases of a light-absorbing perovskite material

A new type of solar cell based on heterojunctions between different crystalline phases of the same light-absorbing material

Thinner solar cells are more robust to space radiation

Gallium arsenide-based photovoltaic could be used as a power source for satellites in demanding space environments

Photo of ultrathin on-chip solar cells fabricated from a stack of semiconducting materials. The cells are coloured as green squares and include an ultrathin layer of light-absorbing GaAs, which is key to their radiation tolerance

Floating artificial leaves could produce solar-generated fuel

New devices might make it possible to locate solar farms on water, not land

A spoonful of sugar makes the dendrites go down

Adding sucrose containing hydroxyl groups to battery electrolytes slows down unwanted dendrite growth while preventing electrode corrosion

Magnets, magnets, magnets: we’ll need lots of them for a green economy

James McKenzie realizes that we’re going to need lots of magnets if we want to turn the economy green

Artificial muscles offer a route to greener air conditioning, breakthroughs in semiconductor physics and hidden consciousness

In this podcast we learn about a new refrigeration technology and chat about what’s new in physics

Nanoscale impurities degrade halide perovskites

"Traps" for charge carriers reduce the longevity of these promising solar-cell materials as well as their efficiency

Lithium-ion batteries recharge in the cold

Devices containing a "bumpy" carbon-based material work at freezing temperatures

Conceptual image showing bars of charge on a battery bathed in cool, icy colours

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Materials | Symposium AVS 72nd International Symposium & Exhibition 8—13 November 2026 | Pittsburgh, US
Materials | Conference SEMICON Europa 2026 10—13 November 2026 | Munich, Germany
Environment and energy | Conference PVSAT 2027 21—23 April 2027 | Birmingham, UK

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