Cascade solar concentrator greatly reduces solar cell footprint
Multilayer, microscale solar cells enable ultrahigh efficiency power generation
Researchers at the University of Illinois at Urbana-Champaign use a printing process to assemble tiny cells into multilayer stacks for extraordinary levels of photovoltaic conversion efficiency.
Like a hall of mirrors, nanostructures trap photons inside ultrathin solar cells (w/ Video)
In the quest to make sun power more competitive, researchers are designing ultrathin solar cells that cut material costs. At the same time they're keeping these thin cells efficient by sculpting their surfaces ...
Material scientist exploring ways to improve efficiency of solar cells
Sunlight is the earth's most abundant source of energy and if harvested efficiently could be a source of clean, unlimited, renewable energy. According to the United States Department of Energy, world demand ...
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 ...
Obama launches measures to support solar energy in US
The White House Thursday announced a series of measures aimed at increasing solar energy production in the United States, particularly by encouraging the installation of solar panels in public spaces.
Unlocking secrets of new solar material
(Phys.org) —A new solar material that has the same crystal structure as a mineral first found in the Ural Mountains in 1839 is shooting up the efficiency charts faster than almost anything researchers have ...
Water-splitting photocatalyst that is abundant and inexpensive with low toxicity discovered
As a part of JST's problem-solving oriented basic research program, the research group led by the principal researcher Hideki Abe and the senior researcher Naoto Umezawa at the NIMS's Environmental Remediation ...
Switchable material could harness the power of the sun—even when it's not shining
It's an obvious truism, but one that may soon be outdated: The problem with solar power is that sometimes the sun doesn't shine.
Image: Thirty percent efficient multi-junction solar cell
Turning light into power, solar arrays are a must-have for the vast majority of satellites.
Forecasting approach aimed at improving revenue, making solar more grid-friendly
(Phys.org) —Penn State's GridSTAR Center and multiple industry partners will be exploring and demonstrating an innovative and collaborative approach to improve the performance of solar photovoltaic (PV) ...
Japan posts top growth in clean energy
Japan last year stepped up spending on clean energy at a faster rate than any other country, despite a drop in the world's overall investment, a study said Thursday.
Energy breakthrough uses sun to create solar energy materials
In a recent advance in solar energy, researchers have discovered a way to tap the sun not only as a source of power, but also to directly produce the solar energy materials that make this possible.
From stench to resource: Splitting hydrogen sulfide with solar energy
(Phys.org) —No one who has cracked open a rotten egg will forget its infernal stench. Biofuel plants, sewage treatment plants, and petroleum refineries can generate substantial amounts of foul-smelling ...