News tagged with high efficiency

Related topics: solar cells

Nanotechnology for solar energy conversion systems

EU researchers extensively characterised the self-organisation of nanotubes and developed novel compositions particularly appropriate to solar energy conversion applications.

Nanotechnology / Nanomaterials

created May 25, 2012 | popularity not rated yet | comments 0

Researchers develop technique to keep cool high-power semiconductor devices used in wireless applications, electric cars

A group of researchers at the University of California, Riverside Bourns College of Engineering have developed a technique to keep cool a semiconductor material used in everything from traffic lights to electric cars.

Nanotechnology / Nanophysics

created May 08, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Rare earth metals: Another challenge for the green economy?

If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity not rated yet | comments 1

Wind turbines that learn like humans

Depending on the weather, wind turbines can face whispering breezes or gale-force gusts. Such variable conditions make extracting the maximum power from the turbines a tricky control problem, but a collaboration of Chinese ...

Technology / Energy & Green Tech

created Mar 27, 2012 | popularity 4.8 / 5 (6) | comments 16 | with audio podcast

New design for a metamaterial could be far more efficient at capturing sunlight than existing solar cells

Metamaterials are a new class of artificial substances with properties unlike anything found in the natural world. Some have been designed to act as invisibility cloaks; others as superlenses, antenna systems ...

Physics / Condensed Matter

created Mar 09, 2012 | popularity 4.9 / 5 (20) | comments 7 | with audio podcast

Toshiba develops the circuit technique for power efficiency improvement in CMOS power amplifier for mobile phones

Toshiba Corporation today announced that it has developed the world's first circuit technology to remove distortion in wireless transmissions that can be directly integrated into a CMOS radio frequency (RF) power amplifier. ...

Technology / Semiconductors

created Feb 20, 2012 | popularity 5 / 5 (1) | comments 0

First proof of single atomic layer material with zero electrical resistance

A research group at the NIMS International Center for Materials Nanoarchitectonics (MANA) has proved that the electrical resistance of a metal single atomic layer on a silicon surface becomes zero by superconductivity.

Physics / Superconductivity

created Nov 24, 2011 | popularity 5 / 5 (7) | comments 8

World's most efficient flexible OLED on plastic created

(PhysOrg.com) -- Engineering researchers at the University of Toronto have developed the world's most efficient organic light-emitting diodes (OLEDs) on plastic. This result enables a flexible form factor, not to mention ...

Physics / Optics & Photonics

created Oct 31, 2011 | popularity 4.8 / 5 (10) | comments 18 | with audio podcast

Researchers discover technique to improve solar cell technology

A multi-disciplinary team of scientists at the Naval Research Laboratory has discovered a way to tailor nanostructures that could result in low-cost, high efficiency solar cells. The research appears in the ...

Nanotechnology / Nanophysics

created Oct 12, 2011 | popularity 5 / 5 (2) | comments 0

How to produce flexible CIGS solar cells with record efficiency

High-performance flexible and lightweight solar cells, say, on plastic foils, have excellent potential to lower the manufacturing costs through roll-to-roll processing and the so called "balance-of-system" ...

Technology / Energy & Green Tech

created Sep 21, 2011 | popularity not rated yet | comments 2

New type of solar cell retains high efficiency for long periods

Scientists from the University of Picardie Jules Verne and the Swiss Federal Institute of Technology are reporting development of a new genre of an electrolyte system for solar cells that breaks the double-digit ...

Chemistry / Materials Science

created Sep 07, 2011 | popularity 4.3 / 5 (3) | comments 2

SNS, HFIR experiments help refine thin-film solar cells

(PhysOrg.com) -- Solar cells that convert sunlight into electricity could be a widely used renewable energy source. Getting to that point, though, requires breakthroughs in their cost and their efficiency at turning sunbeams ...

Chemistry / Materials Science

created Sep 02, 2011 | popularity not rated yet | comments 0

New technique boosts efficiency of blood cell production from human stem cells

Scientists at the Salk Institute for Biological Studies have developed an improved technique for generating large numbers of blood cells from a patient's own cells. The new technique will be immediately useful ...

Biology / Cell & Microbiology

created Jul 15, 2011 | popularity not rated yet | comments 0 | with audio podcast

NREL invention speeds solar cell quality tests

To come up with a way to do something 1,000 times faster than it had been done in the past, you have to count on some serendipity -- not to mention hard work, collaboration and good timing.

Chemistry / Materials Science

created Jul 12, 2011 | popularity 5 / 5 (2) | comments 0

How to choose a catalyst: Predicting which materials will perform best in fuel cells and metal air batteries

MIT researchers have found a new way to predict which materials will perform best as catalysts for oxygen reduction, a core process in metal air batteries and fuel cells, opening up the possibility of faster ...

Chemistry / Materials Science

created Jun 14, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast