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News tagged with range

Scientists design solar cells that exceed the conventional light-trapping limit

(PhysOrg.com) -- The best performing solar cells are those that are thick enough to absorb light from the entire solar spectrum, while the cheapest solar cells are thin ones, since they require less, and potentially ...

Nanotechnology / Nanophysics

created Jan 20, 2012 | popularity 4.7 / 5 (37) | comments 27 | with audio podcast feature

Infrared Nanotube Films Offer Advantages for Solar Cells and More

(PhysOrg.com) -- Researchers have already known that carbon nanotube thin films have mechanical and conductive advantages that could make them useful as electrodes in solar cells, solid state lighting, and ...

Nanotechnology / Nanophysics

created Mar 11, 2009 | popularity 4.5 / 5 (11) | comments 0 feature

Will carbon nanotubes replace indium tin oxide?

(PhysOrg.com) -- Up until now, George Grüner tells PhysOrg.com, most of the studies regarding the properties - and uses - of carbon nanotubes have been restricted to the visible spectral range. “We, however, were interested in the ...

Nanotechnology / Nanomaterials

created Mar 09, 2009 | popularity 4.9 / 5 (9) | comments 2 feature

Quantum dots as midinfrared emitters

(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...

Physics / Optics & Photonics

created Feb 23, 2009 | popularity 4.1 / 5 (10) | comments 1 feature

Exotic metamaterials will change optics

Duke University engineers believe that continued advances in creating ever-more exotic and sophisticated man-made materials will greatly improve their ability to control light at will.

Physics / Optics & Photonics

created Mar 18, 2012 | popularity 4.7 / 5 (16) | comments 0 | with audio podcast

Wireless power could revolutionize highway transportation, researchers say

A Stanford University research team has designed a high-efficiency charging system that uses magnetic fields to wirelessly transmit large electric currents between metal coils placed several feet apart. The ...

Technology / Energy & Green Tech

created Feb 01, 2012 | popularity 4.3 / 5 (27) | comments 66 | with audio podcast

Scientists invent long-lasting, near infrared-emitting material

Materials that emit visible light after being exposed to sunlight are commonplace and can be found in everything from emergency signage to glow-in-the-dark stickers. But until now, scientists have had little ...

Nanotechnology / Nanomaterials

created Nov 20, 2011 | popularity 4.5 / 5 (26) | comments 10 | with audio podcast

New map reveals giant fjords beneath East Antarctic ice sheet

Scientists from the U.S., U.K. and Australia have used ice-penetrating radar to create the first high- resolution topographic map of one of the last uncharted regions of Earth, the Aurora Subglacial Basin, ...

Space & Earth / Earth Sciences

created Jun 01, 2011 | popularity not rated yet | comments 7 | with audio podcast

Measurement of 'hot' electrons could have solar energy payoff

(PhysOrg.com) -- Basic scientific curiosity paid off in unexpected ways when Rice University researchers investigating the fundamental physics of nanomaterials discovered a new technology that could dramatically ...

Nanotechnology / Nanophysics

created May 05, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Carbon nanotube device can detect colors of the rainbow

Researchers at Sandia National Laboratories have created the first carbon nanotube device that can detect the entire visible spectrum of light, a feat that could soon allow scientists to probe single molecule ...

Nanotechnology / Nanomaterials

created Apr 30, 2009 | popularity 5 / 5 (3) | comments 1

Researchers develop first silicon wafer-scale 110 GHz phased array transmitter

(PhysOrg.com) -- TowerJazz, the global specialty foundry leader, and The University of California, San Diego, provider of a leading program in microwave, millimeter-wave and mixed-signal RFICs, today announced ...

Technology / Semiconductors

created Apr 06, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Chemists mimic nature to design better medical tests

Over their 3.8 billion years of evolution, living organisms have developed countless strategies for monitoring their surroundings. Chemists at UC Santa Barbara and University of Rome Tor Vergata have adapted ...

Chemistry / Analytical Chemistry

created Feb 14, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Helping hydrogen move back home

Millions of dollars are being spent on developing electric vehicles. Electric vehicles, powered by hydrogen fuel cells, provide the demanded driving range and low environmental impact. However, hydrogen fuel ...

Chemistry / Materials Science

created Jan 11, 2012 | popularity 4.3 / 5 (3) | comments 6 | with audio podcast

Trapping butterfly wings' qualities

Butterflies have inspired humans since the time of ancient Egypt, but now they're also inspiring researchers to look toward nature to help create the next generation of waterproof materials for electronics ...

Chemistry / Materials Science

created Jan 04, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Let's do the twist: Spiral proteins are efficient gene delivery agents

Clinical gene therapy may be one step closer, thanks to a new twist on an old class of molecules.

Chemistry / Biochemistry

created Dec 15, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast