News tagged with semiconductor crystal
Nanocrystal infrared LEDs can be made cheaply
(Phys.org) -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...
Nanotechnology / Nanomaterials
May 10, 2012 |
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Conquering LED efficiency droop
WASHINGTON, April 30--Like a coffee enthusiast who struggles to get a buzz from that third cup of morning joe, light-emitting diodes (LEDs) seem to reach a point where more electricity no longer imparts the ...
Apr 30, 2012 |
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Single nanomaterial yields many laser colors
Red, green, and blue lasers have become small and cheap enough to find their way into products ranging from BluRay DVD players to fancy pens, but each color is made with different semiconductor materials and ...
Apr 29, 2012 |
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All set and ready to glow
A new technique that paves the way for manufacturing affordable LED light bulbs is to be exploited in the UK, in a deal that researchers say could have a dramatic impact on carbon emissions.
Technology / Energy & Green Tech
Feb 07, 2012 |
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Record conductivity achieved in strained lattice organic semiconductor
(PhysOrg.com) -- Organic semiconductors could usher in an era of foldable smartphones, better high-definition television screens and clothing made of materials that can harvest energy from the sun needed to ...
Dec 21, 2011 |
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One-pot synthesis provides simpler, faster route to highly efficient solar cells
Preventing the recombination of free charges produced when light strikes a solar cell is one of the main goal of engineers attempting to extract the maximum energy conversion efficiency from their devices. One way to achieve ...
Nanotechnology / Nanomaterials
Aug 19, 2011 |
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Material created at Purdue lets electrons 'dance' and form new state
A team of Purdue University researchers is among a small group in the world that has successfully created ultrapure material that captures new states of matter and could have applications in high-speed quantum ...
Jul 27, 2011 |
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New 3-D photonic crystal has both electronic, optical properties
In an advance that could open new avenues for solar cells, lasers, metamaterials and more, researchers at the University of Illinois have demonstrated the first optoelectronically active 3-D photonic crystal.
Jul 24, 2011 |
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Japanese researchers develop method for printing single crystal thin-film transistors
(PhysOrg.com) -- Researchers working out of the National Institute of Advanced Industrial Science and Technology (AIST) in Tsukuba, Japan have developed a means for printing thin film transistors using InkJet ...
Jul 20, 2011 |
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Samsung says 2nd-quarter operating profit fell
(AP) -- Samsung Electronics' profitability slumped in the second quarter as strong performance in fast-growing smartphones could not overcome weakness in liquid crystal displays.
Jul 07, 2011 |
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First telecommunications wavelength quantum dot laser on a silicon substrate
A new generation of high speed, silicon-based information technology has been brought a step closer by researchers in the Department of Electronic and Electrical Engineering at UCL and the London Centre for Nanotechnology. ...
Jun 13, 2011 |
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Nanomaterials: Finding friends with a golden tip
Quantum dots are tiny semiconductor crystals that emit bright and tunable fluorescence. They are typically made of cadmium sulfide (CdS) or cadmium selenide (CdSe), and have a wide range of applications, including ...
Nanotechnology / Nanomaterials
May 04, 2011 |
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Samsung Electronics buys Dutch LCD firm
Samsung Electronics said Thursday it had acquired Liquavista, the pioneer of a new screen technology that the South Korean giant hopes will boost its liquid crystal display (LCD) business.
Jan 20, 2011 |
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Japan's Toshiba almost trebles first-half earnings forecast
Japanese electronics giant Toshiba on Thursday almost trebled its profit projections for the first half, thanks to strong sales of semiconductors and liquid crystal displays.
Oct 21, 2010 |
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Single-crystal films could advance solar cells (w/ Video)
(PhysOrg.com) -- Cornell researchers have developed a new method to create a patterned single-crystal thin film of semiconductor material that could lead to more efficient photovoltaic cells and batteries.
Nanotechnology / Nanomaterials
Oct 08, 2010 |
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