Small-molecule solar cells get 50% increase in efficiency with optical spacer
Zero-dimensional transistor harvests bubble energy wasted during water electrolysis
Hybrid nanostructure with extreme light absorption looks promising for photovoltaics
Self-cooling solar cells boost power, last longer
Scientists may have overcome one of the major hurdles in developing high-efficiency, long-lasting solar cells—keeping them cool, even in the blistering heat of the noonday Sun.
AMD reveals plans for 25x efficiency gains by 2020
Researchers create nanoscale structure for computer chips that could yield higher-performance memory
(Phys.org) —Researchers at UCLA have created a nanoscale magnetic component for computer memory chips that could significantly improve their energy efficiency and scalability.
Researchers achieve higher solar-cell efficiency with zinc-oxide coating
(Phys.org) —Engineering researchers at the University of Arkansas have achieved the highest efficiency ever in a 9 millimeter-squared solar cell made of gallium arsenide. After coating the cufflink-sized ...
High-temperature plasmonics eyed for solar, computer innovation
(Phys.org) —New "plasmonic metamaterials" that operate at high temperatures could radically improve solar cell performance and bring advanced computer data storage technology that uses heat to record information ...
Researchers find tin selenide shows promise for efficiently converting waste heat into electrical energy
Organic solar cells more efficient with molecules face-to-face
(Phys.org) —New research from North Carolina State University and UNC-Chapel Hill reveals that energy is transferred more efficiently inside of complex, three-dimensional organic solar cells when the donor ...
Finding the mix: Solar cell efficiency a delicate balance
(Phys.org) —Research from North Carolina State University reveals that solar cell efficiency is based upon a delicate balance between the size and purity of the interior layers, or domains. These findings ...
Revolutionary solar cells double as lasers
Commercial silicon-based solar cells - such as those seen on the roofs of houses across the country - operate at about 20% efficiency for converting the Sun's rays into electrical energy. It's taken over ...
Fine-tuning a rainbow of colors at the nanoscale
(Phys.org) —TVs, image sensors, iPads, digital cameras and other modern devices use filters to display the breadth of colors available in the visible portion of the electromagnetic spectrum.
Splitting water into hydrogen and oxygen using light, nanoparticles
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.