News tagged with absorption
Water waves exhibit negative gravity near a periodic array of buoys
(PhysOrg.com) -- Ocean waves can be incredibly strong and very difficult to block completely. When a wave moving across the ocean interacts with a buoy, the wave can be slightly dampened, but will still pass ...
May 09, 2011 |
3.8 / 5 (21) |
17
|
Quantum dots with built-in charge boost solar cell efficiency by 50%
(PhysOrg.com) -- For the past few years, researchers have been using quantum dots to increase the light absorption and overall efficiency of solar cells. Now, researchers have taken a step further, demonstrating ...
May 13, 2011 |
4.9 / 5 (21) |
13
|
Tandem polymer solar cells that set record for energy-conversion
(PhysOrg.com) -- In the effort to convert sunlight into electricity, photovoltaic solar cells that use conductive organic polymers for light absorption and conversion have shown great potential. Organic polymers ...
Feb 13, 2012 |
4.6 / 5 (12) |
7
|
Physicists demonstrate quantum plasmons in atomic-scale nanoparticles
Addressing a half-century-old question, engineers at Stanford have conclusively determined how collective electron oscillations, called plasmons, behave in individual metal particles as small as just a few nanometers in diameter. ...
Mar 21, 2012 |
4.5 / 5 (17) |
0
|
Down to the wire: Inexpensive technique for making high quality nanowire solar cells developed
(PhysOrg.com) -- Solar or photovoltaic cells represent one of the best possible technologies for providing an absolutely clean and virtually inexhaustible source of energy to power our civilization. However, ...
Aug 31, 2011 |
5 / 5 (9) |
2
|
Study resolves century-long debate over how to describe electromagnetic momentum density in matter
(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and the University of British Columbia have shown that the interaction between a light pulse and a light-absorbing object, including the ...
Dec 29, 2011 |
4.4 / 5 (14) |
23
|
New 'super-black' material absorbs light across multiple wavelength bands
(PhysOrg.com) -- NASA engineers have produced a material that absorbs on average more than 99 percent of the ultraviolet, visible, infrared, and far-infrared light that hits it -- a development that promises ...
Nov 09, 2011 |
4.9 / 5 (10) |
32
|
Researchers unravel the mystery of quantum dot blinking
(PhysOrg.com) -- Research by Los Alamos scientists published today in the journal Nature documents significant progress in understanding the phenomenon of quantum-dot blinking. Their findings should enhanc ...
Nov 09, 2011 |
5 / 5 (12) |
1
|
Astronomers find pristine clouds of primordial gas from the early Universe
(PhysOrg.com) -- For the first time, astronomers have found pristine clouds of the primordial gas that formed in the first few minutes after the Big Bang. The composition of the gas matches theoretical predictions, ...
Nov 10, 2011 |
4.5 / 5 (15) |
22
|
Ingested nanoparticles could be harmful to health
(PhysOrg.com) -- Billions of engineered nanoparticles in foods and pharmaceuticals are ingested by humans daily, and new Cornell research warns they may be more harmful to health than previously thought.
Nanotechnology / Bio & Medicine
Feb 17, 2012 |
4.6 / 5 (8) |
0
|
IBM breakthrough captures high speed measurements of individual atoms
(PhysOrg.com) -- Last week IBM researchers published a breakthrough technique in the peer-reviewed journal Science that measures how long a single atom can hold information, and giving scientists the abilit ...
Sep 27, 2010 |
4.9 / 5 (14) |
1
|
New PV cell generates electricity from IR and UV light
(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 |
4.8 / 5 (16) |
3
|
New VECSEL could mean a step forward for spectroscopy
(PhysOrg.com) -- "Unfortunately, for spectroscopy, the beam quality of quantum cascade lasers is not satisfying," Hans Zogg tells PhysOrg.com. "We are developing lasers for the mid-infrared range which have an especially good b ...
Oct 25, 2010 |
4.8 / 5 (4) |
1
|
Nanoshell whispering galleries improve thin solar panels
Visitors to Statuary Hall in the U.S. Capitol Building may have experienced a curious acoustic feature that allows a person to whisper softly at one side of the cavernous, half-domed room and for another on ...
Nanotechnology / Nanomaterials
Feb 07, 2012 |
4.4 / 5 (7) |
6
|
Researchers boost solar concentrator efficiency
A team of researchers at the University of California, Merced, has redesigned luminescent solar concentrators to be more efficient at sending sunlight to solar cells.
Jan 23, 2012 |
4.4 / 5 (7) |
5
|
Absorption
Absorption may refer to:
For more information about Absorption, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
