Ascent Solar Technologies, Inc., a developer of state-of-the-art, thin-film photovoltaic materials, announced today that the US Air Force Research Laboratory (AFRL) has selected Ascent Solar for a Broad Agency Announcement award to develop high-performance thin-film multijunction photovoltaics (PV) based on Ascent Solar's flexible monolithically integrated CIGS technology. The new contract represents approximately $1.5 million in value over a 48-month period.
In a paper published online June 29 in the journal Nature Materials, EPFL professor Michael Graetzel, Shaik Zakeeruddin and colleagues from the Changchun Institute of Applied Chemistry at the Chinese Academy of Sciences have achieved a record light conversion efficiency of 8.2% in solvent-free dye-sensitized solar cells. This breakthrough in efficiency without the use of volatile organic solvents will make it possible to pursue large scale, outdoor practical application of lightweight, inexpensive, flexible dye-sensitized solar films that are stable over long periods of light and heat exposure.
The odd behavior of a molecule in an experimental silicon computer chip has led to a discovery that opens the door to quantum computing in semiconductors.
Researchers have shown that a new class of ultraviolet photodiode could help meet the U.S. military's pressing requirement for compact, reliable and cost-effective sensors to detect anthrax and other bioterrorism agents in the air.
The Center for Nanoscale Materials' (CNM) newly operational Hard X-ray Nanoprobe at the U.S. Department of Energy's (DOE) Argonne National Laboratory is one of the world's most powerful x-ray microscopes.
Future Lighting Solutions, a leading provider of LED lighting components and solution support, announced today that it has donated LUXEON Rebel LEDs from Philips Lumileds for use on a solar car being built by students at the University of Minnesota. The car will compete in the 2008 North American Solar Challenge, a 2,400-mile race scheduled for July 13-22.
As China set out to create the first-ever "Green Olympics," designers turned to Solatube International Inc., the worldwide leading manufacturer and marketer of Tubular Daylighting Devices (TDDs) to provide natural lighting solutions for a new Olympic event-designated gymnasium at the Beijing Science + Technology University.
d.light design today announced the launch of its first line of revolutionary lighting products, custom-designed for urban and rural households in developing countries that do not have regular access to electricity and are currently relying primarily on dim, polluting and hazardous kerosene lanterns for lighting.
The Fraunhofer Institute for Photonic Microsystems (IPMS), one of the leading research institutes in the field of organic-based materials and devices, as well as the Fraunhofer Institute for Electron Beam and Plasma Technology (FEP), leader in the field of large-area vacuum deposition on flexible substrates, have joined forces in the development of a technology for an organic devices roll-to-roll production process.
For solar cells to be useful, they need to be cheap, cover a large area, and be physically flexible, which are benefits of using solution-processed photovoltaics. Much of the current research in solution-processed photovoltaics is dedicated to optimizing solar conversion efficiency in the visible region of the spectrum.
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