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News articles about "Sunlight"

Researchers split water into hydrogen, oxygen using light, nanoparticles

Oxygen
Researchers from the University of Houston have found a catalyst that can quickly generate hydrogen from water using sunlight potentially creating a clean and renewable source of energy Their research published online Sunday in Nature ... - Read More

Revolutionizing solar energy: Quantum waves found at the heart of organic solar cells

Solar energy
Researchers have been able to tune ‘coherence’ in organic nanostructures due to the surprise discovery of wavelike electrons in organic materials revealing the key to generating “long lived charges” in organic solar cells material that ... - Read More

Solar cell degradation observed directly for the first time

Time
With the help of DESY's X ray light source PETRA III researchers of Technische Universität München have for the first time watched organic solar cells degrade in real time This work could open new approaches ... - Read More

Geoengineering approaches to reduce climate change unlikely to succeed

climate, Climate, Climate change, Climate change
Reducing the amount of sunlight reaching the planet's surface by geoengineering may not undo climate change after all Two German researchers used a simple energy balance analysis to explain how Earth's water cycle responds differently ... - Read More

While the Arctic Ocean is largely a carbon sink, parts are also a source of atmospheric carbon dioxide

carbon, Carbon
While the Arctic Ocean is largely a carbon sink researchers find parts are also a source of atmospheric carbon dioxide For the past three decades as the climate has warmed the massive plates of sea ... - Read More

Highly insulating windows are very energy efficient, though expensive

Energy, Energy, Energy, energy, energy
Highly insulating triple pane windows keep a house snug and cozy but it takes two decades or more for the windows to pay off financially based on utility bill savings according to a report by ... - Read More

Living desert underground: In perpetual darkness of limestone cave, surprisingly diverse ecosystem of microbes

Ecosystem, Ecosystem
Hidden underneath the hilly grasslands studded with ocotillos and mesquite trees in southeastern Arizona lies a world shrouded in perpetual darkness Kartchner Caverns a limestone cave system renowned for its untouched cave formations sculpted over ... - Read More

New light shed on solar water-splitting process

Light, Light
With the help of a new method called dual electrode photoelectrochemistry University of Oregon scientists have provided new insight into how solar water splitting cells work An important and overlooked parameter they report is the ... - Read More

Scientists stitch up photosynthetic megacomplex

Proteins, Proteins, proteins
When sunlight strikes a photosynthesizing organism energy flashes between proteins just beneath its surface until it is trapped as separated electric charges Improbable as it may seem these tiny hits of energy eventually power the ... - Read More

Copper promises cheaper, sturdier fuel cells

Fuel, Fuel cells
Copper adorns the Statue of Liberty makes sturdy affordable wiring and helps our bodies absorb iron Now researchers at Duke University would like to use copper to transform sunlight and water into a chemical fuel ... - Read More

Solar cells utilize thermal radiation

Thermal radiation from the sun is largely lost on most silicon solar cells Up converters transform the infrared radiation into usable light however Researchers have now for the first time successfully adapted this effect for ... - Read More

Dye absorption structure of dye-sensitized solar cells elucidated on molecular level: Success in dye absorption structure control

NIMS researchers elucidated the relationship between the photocurrent and the peculiar changes in the absorption structure occurring in the vicinity of the molecular electrode interface in dye sensitized solar cells The Organic Inorganic Hybrid Photovoltaics ... - Read More

Geoengineering the climate could reduce vital rains

Climate, climate
Although a significant build up in greenhouse gases in the atmosphere would alter worldwide precipitation patterns a widely discussed technological approach to reduce future global warming would also interfere with rainfall and snowfall new research ... - Read More

Is global heating hiding out in the oceans? Parts of Pacific warming 15 times faster than in past 10,000 years

Oceans
A recent slowdown in global warming has led some skeptics to renew their claims that industrial carbon emissions are not causing a century long rise in Earth's surface temperatures But rather than letting humans off ... - Read More

Extracting energy from bacteria: Microbial electrode catalysts that turn wastewater into watts

Most of us wouldn't consider bacteria a promising energy source of the future That would be shortsighted says Leonard Tender a microbial electrochemist at the Naval Research Laboratory in Washington D C who believes that ... - Read More

Ingredient of household plastic found in space

Space
NASA's Cassini spacecraft has detected propylene a chemical used to make food storage containers car bumpers and other consumer products on Saturn's moon Titan This is the first definitive detection of the plastic ingredient on ... - Read More

Wagon-wheel pasta shape for better LED lights

Light, Light
One problem in developing more efficient organic LED light bulbs and displays for TVs and phones is that much of the light is polarized in one direction and thus trapped within the light emitting diode ... - Read More

Steroids may persist longer in the environment than expected

Environment
Assessing the risk posed to aquatic organisms by the discharge of certain steroids and pharmaceutical products into waterways is often based on a belief that as the compounds degrade the ecological risks naturally decline But ... - Read More

Harnessing the sun's energy with tiny particles

Sun
Engineers at Sandia National Laboratories along with partner institutions Georgia Tech Bucknell University King Saud University and the German Aerospace Center DLR are using a falling particle receiver to more efficiently convert the sun's energy ... - Read More

Photosynthesis mechanism: Tofu-like crystalline catalysts for producing clean energy

Catalysts, Photosynthesis
Research by Professor Jian Ren Shen at Okayama University demystifies the reaction mechanisms of photosynthesis and the findings may lead to the development of methods for producing an unlimited source of clean energy Professor Jian ... - Read More
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