News tagged with light absorption
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 ...
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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 |
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Colorful solar instrument treks east for a new career
(PhysOrg.com) -- One of the world's most colorful solar instruments is moving across country for a new life dissecting the chemistry of comets and stars.
Space & Earth / Space Exploration
Feb 01, 2012 |
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Physics team calculates that graphene disks could be complete optical absorbers
(PhysOrg.com) -- In optical devices designed and used to collect light, there has always been a loss of light due to reflection, now, new research by a team of physicists from Spain and England has found, ...
Feb 01, 2012 |
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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 |
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Faster colloidal fluorescence emitters: Nanoplatelets
(PhysOrg.com) -- Significant advances in the application of colloidal structures as light emitters and lasers may soon be realized following the discovery of very fast fluorescence emission rates in colloidal ...
Dec 09, 2011 |
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Researchers create new nanostructure that absorbs broad spectrum of light from all angles
(PhysOrg.com) -- Researchers working at Cal Tech, have taken an idea first proposed by Koray Aydin, now at Northwestern and have created a new nanostructure that appears to be capable of absorbing light of any polarization ...
Nov 10, 2011 |
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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 |
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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 |
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Solar power could get boost from new light absorption design
Solar power may be on the rise, but solar cells are only as efficient as the amount of sunlight they collect. Under the direction of a new professor at Northwestern University's McCormick School of Engineering and Applied ...
Nanotechnology / Nanomaterials
Nov 02, 2011 |
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Elimination of detrimental cross-talks in single-photon detectors pushes quantum optics to new limits
Light and electric current can both be used for computing, albeit with key differences. Whereas conventional computers do logic through the movement of electrons, newer and faster computers called quantum ...
Oct 28, 2011 |
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Design optimization could help maximize the power conversion efficiency of thin-film silicon solar cells
Silicon is readily available, easy to process, highly stable and non-toxic. It is also one of the best materials for making solar cells. The high quality and purity of silicon needed for fabricating the most ...
Nanotechnology / Nanomaterials
Sep 05, 2011 |
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Researchers demonstrate an electrochromic nanoplasmonic optical switch
In a recent article in Nano Letters, CNST researchers describe a new high-contrast, low operating-voltage, electrochemical optical switch that uses a volume of active dye orders-of-magnitude smaller than that of conventional electr ...
Sep 01, 2011 |
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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 |
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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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