News tagged with solar photon
Study raises questions on what causes silicon solar cell degradation
(PhysOrg.com) -- After several hours of exposure to sunlight, silicon solar cells experience light-induced degradation, which can decrease their efficiency by up to 10%. In a new study, scientists have attempted ...
Jun 03, 2011 |
3.5 / 5 (4) |
1
|
3-D nanocone solar cell technology cranks up efficiency
(PhysOrg.com) -- With the creation of a 3-D nanocone-based solar cell platform, a team led by Oak Ridge National Laboratory's Jun Xu has boosted the light-to-power conversion efficiency of photovoltaics by ...
Apr 29, 2011 |
4.7 / 5 (13) |
7
|
New solar cell self-repairs like natural plant systems
(PhysOrg.com) -- Researchers are creating a new type of solar cell designed to self-repair like natural photosynthetic systems in plants by using carbon nanotubes and DNA, an approach aimed at increasing service ...
Nanotechnology / Nanomaterials
Jan 04, 2011 |
4.6 / 5 (11) |
10
|
Scientists generate two energetic electronic states from one photon
(PhysOrg.com) -- Researchers from the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) and the University of Colorado, Boulder (UCB), have reported the first designed molecular system ...
Dec 03, 2010 |
4.9 / 5 (14) |
3
|
New solar energy conversion process could revamp solar power production
Stanford engineers have figured out how to simultaneously use the light and heat of the sun to generate electricity in a way that could make solar power production more than twice as efficient as existing ...
Technology / Energy & Green Tech
Aug 02, 2010 |
4.7 / 5 (64) |
38
|
A Puzzling Collapse of Earth's Upper Atmosphere
NASA-funded researchers are monitoring a big event in our planet's atmosphere. High above Earth's surface where the atmosphere meets space, a rarefied layer of gas called "the thermosphere" recently collapsed ...
Space & Earth / Earth Sciences
Jul 15, 2010 |
4.4 / 5 (47) |
45
|
Making a Magnetic Moment in a Split Picosecond
(PhysOrg.com) -- A wide range of phenomena in nature and technology depend on changes that occur in a material after it is illuminated with visible light. A well-known example is photosynthesis, where successive ...
Jul 05, 2010 |
4.1 / 5 (8) |
0
|
IKAROS unfurls first ever solar sail in space
(PhysOrg.com) -- Japan's IKAROS has rolled out its solar sail, the first ever deployed in space. JAXA, the Japan Aerospace Exploration Agency, achieved the feat by rotating the craft rapidly and spinning the ...
Space & Earth / Space Exploration
Jun 11, 2010 |
5 / 5 (39) |
18
|
Closing in on a carbon-based solar cell
To make large sheets of carbon available for light collection, Indiana University Bloomington chemists have devised an unusual solution -- attach what amounts to a 3-D bramble patch to each side of the carbon ...
Nanotechnology / Nanomaterials
Apr 09, 2010 |
4.2 / 5 (16) |
4
|
Researchers create highly absorbing, flexible solar cells with silicon wire arrays
Using arrays of long, thin silicon wires embedded in a polymer substrate, a team of scientists from the California Institute of Technology has created a new type of flexible solar cell that enhances the absorption ...
Feb 16, 2010 |
4.7 / 5 (18) |
4
|
Argonne 'homegrown' hybrid solar cell aims for low-cost power
(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory have refined a technique to manufacture solar cells by creating tubes of semiconducting material and then "growing" ...
Nanotechnology / Nanomaterials
Nov 10, 2009 |
4.3 / 5 (12) |
3
Planetary Society plans new 'solar sail'
(AP) -- Four years after its first solar sail ended up in the ocean instead of orbit, The Planetary Society announced Monday that by the end of 2010 it will try again to launch a spacecraft that will be propelled by the ...
Space & Earth / Space Exploration
Nov 09, 2009 |
4.7 / 5 (14) |
1
EVE: Measuring the Sun's hidden variability
Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. ...
Space & Earth / Space Exploration
Sep 22, 2009 |
4.1 / 5 (7) |
0
Light at the speed of a bicycle and much more
The speed of light, 300 million metres per second, was long thought an immutable constant and has defined our understanding of matter and energy but recent research in the area of optics and photonics is proving ...
Sep 09, 2009 |
3.7 / 5 (11) |
6
Researchers develop thin films showing promise for solar applications
Researchers at Ben-Gurion University of the Negev have developed thin films that exhibit carrier multiplication (CM). This development is of great interest for future solar cells.
Nanotechnology / Nanomaterials
Sep 08, 2009 |
4.1 / 5 (8) |
1
