(PhysOrg.com) -- A Cornell researcher has created an extremely efficient transistor made from gallium nitride, which may soon replace silicon as king of semiconductors for power applications.
Dec 08, 2009
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A new way of making LEDs could see household lighting bills reduced by up to 75% within five years.
Jan 29, 2009
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(PhysOrg.com) -- University of California, Riverside Professor of Electrical Engineering and Chair of Materials Science and Engineering Alexander Balandin is leading several projects to explore ways to use ...
Dec 21, 2009
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(PhysOrg.com) -- Physicists from Taiwan have designed and fabricated nano-sized light-emitting diodes (LEDs) that emit light spanning the entire visible spectrum. Although the tiny full-color LEDs aren't intended ...
Jun 17, 2011
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Scientists from the University of Kentucky and the University of Louisville have determined that an inexpensive semiconductor material can be "tweaked" to generate hydrogen from water using sunlight.
Aug 30, 2011
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(PhysOrg.com) -- A prototype of a new type of photovoltaic (PV) cell that generates electricity from visible, infrared and ultraviolet light has been demonstrated by a group of Japanese scientists. It could ...
Mar 24, 2010
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(PhysOrg.com) -- Transistors, the cornerstone of electronics, are lossy and therefore consume energy. Swiss esearchers from the ETH Zurich and EPF Lausanne have developed transistors targeting high switching ...
Apr 20, 2010
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(PhysOrg.com) -- An MIT team led by Tomás Palacios, assistant professor in the Department of Electrical Engineering and Computer Science, has succeeded in combining two semiconductor materials, silicon ...
Sep 16, 2009
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Researchers at Rensselaer Polytechnic Institute have developed a new method for manufacturing green-colored LEDs with greatly enhanced light output.
Apr 25, 2011
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Researchers have used zinc oxide microwires to significantly improve the efficiency at which gallium nitride light-emitting diodes (LED) convert electricity to ultraviolet light. The devices are believed to ...
Oct 31, 2011
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In a leap forward for laser technology, a team at University of California, Santa Barbara, has developed the first violet nonpolar vertical-cavity surface-emitting lasers (VCSELs) based on m-plane gallium ...
Jul 23, 2012
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Researchers from North Carolina State University have patented technology that is expected to revolutionize the global energy and communications infrastructure – and create U.S. jobs in the process.
Oct 04, 2010
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A team led by a professor at the University of California, Riverside Bourns College of Engineering has made a discovery in semiconductor nanowire laser technology that could potentially do everything from kill viruses to ...
Jul 05, 2011
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A new manufacturing technology is expected to greatly reduce the cost of light-emitting diodes (LEDs) in the future. For the first time ever, researchers at the Siemens subsidiary Osram Opto Semiconductors ...
May 21, 2012
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(Phys.org) -- Researchers creating electricity through photovoltaics want to convert as many of the sun’s wavelengths as possible to achieve maximum efficiency. Otherwise, they’re eating only a small ...
Jun 18, 2012
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