News tagged with nanocrystals
Related topics: solar cells , quantum dots
New Study of Meteorite Provides More Evidence for Ancient Life on Mars
(PhysOrg.com) -- In 1996, when scientists examined a meteorite from Mars previously uncovered in Antarctica, they were intrigued by what looked like microscopic fossils of ancient Martian life forms. Now, ...
Space & Earth / Space Exploration
Dec 17, 2009 |
4.8 / 5 (47) |
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New nanocrystals show potential for cheap lasers, new lighting
For more than a decade, scientists have been frustrated in their attempts to create continuously emitting light sources from individual molecules because of an optical quirk called "blinking," but now scientists ...
May 10, 2009 |
4.8 / 5 (29) |
4
Highly efficient solar cells could result from quantum dot research
Conventional solar cell efficiency could be increased from the current limit of 30 percent to more than 60 percent, suggests new research on semiconductor nanocrystals, or quantum dots, led by chemist Xiaoyang ...
Nanotechnology / Nanomaterials
Jun 17, 2010 |
4.5 / 5 (30) |
4
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Discovery of a 'dark state' could increase maximum theoretical efficiency of solar cells from 31 to 44 percent
The efficiency of conventional solar cells could be significantly increased, according to new research on the mechanisms of solar energy conversion led by chemist Xiaoyang Zhu at The University of Texas at Austin.
Dec 15, 2011 |
4.8 / 5 (23) |
12
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Diamonds and the holy grail of quantum computing
Since Richard Feynman's first envisioned the quantum computer in 1982, there have been many studies of potential candidates -- computers that use quantum bits, or qubits, capable of holding an more than one value at a time ...
Jun 29, 2010 |
4.5 / 5 (23) |
1
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Turning sunlight into liquid fuels (Video)
(PhysOrg.com) -- For millions of years, green plants have employed photosynthesis to capture energy from sunlight and convert it into electrochemical energy. A goal of scientists has been to develop an artificial ...
Mar 11, 2009 |
4.7 / 5 (22) |
2
Researchers create iridescent glass that can reflect UV or infrared light
(PhysOrg.com) -- Using nanocrystals of cellulose, the main component of pulp and paper, chemistry researchers at the University of British Columbia have created glass films that have applications for energy ...
Nanotechnology / Nanomaterials
Nov 17, 2010 |
4.7 / 5 (22) |
0
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Breaking Kasha's rule: Scientists find unique luminescence in tetrapod nanocrystals
Observation of a scientific rule being broken can sometimes lead to new knowledge and important applications. Such would seem to be the case when scientists with the U.S. Department of Energy (DOE)'s Lawrence ...
Jul 01, 2011 |
5 / 5 (15) |
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Research Highlights Potential for Improved Solar Cells
(PhysOrg.com) -- A team of Los Alamos researchers led by Victor Klimov has shown that carrier multiplication—when a photon creates multiple electrons—is a real phenomenon in tiny semiconductor crystals and not a false observation ...
Nanotechnology / Nanomaterials
Feb 10, 2009 |
4.5 / 5 (13) |
0
A Robot Called WANDA (w/ Video)
(PhysOrg.com) -- Berkeley Lab scientists have established a revolutionary nanocrystal-making robot, capable of producing nanocrystals with staggering precision. This one-of-a-kind robot, named WANDA, provides ...
Nanotechnology / Nanomaterials
Apr 26, 2010 |
5 / 5 (11) |
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Single nanomaterial yields many laser colors
Red, green, and blue lasers have become small and cheap enough to find their way into products ranging from BluRay DVD players to fancy pens, but each color is made with different semiconductor materials and ...
Apr 29, 2012 |
5 / 5 (11) |
0
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New imaging technique reveals the atomic structure of nanocrystals
(PhysOrg.com) -- A new imaging technique developed by researchers at the University of Illinois overcomes the limit of diffraction and can reveal the atomic structure of a single nanocrystal with a resolution ...
Feb 18, 2009 |
4.6 / 5 (11) |
0
Researchers Record First Real-Time Direct Observations of Nanocrystal Growth in Solution (w/ Video)
(PhysOrg.com) -- The veil is being lifted from the once unseen world of molecular activity. Not so long ago only the final products were visible and scientists were forced to gauge the processes behind those ...
Aug 07, 2009 |
4.9 / 5 (9) |
0
Designer Nanomaterials On-Demand: Scientists Report Universal Method for Creating Nanoscale Composites
Composites are combinations of materials that produce properties inaccessible in any one material. A classic example of a composite is fiberglass - plastic fibers woven with glass to add strength to hockey ...
Nanotechnology / Nanomaterials
Mar 19, 2010 |
4.8 / 5 (9) |
1
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Nanocrystal-coated fibers might reduce wasted energy
(Phys.org) -- Researchers are developing a technique that uses nanotechnology to harvest energy from hot pipes or engine components to potentially recover energy wasted in factories, power plants and cars.
Nanotechnology / Nanomaterials
Apr 17, 2012 |
4.4 / 5 (9) |
1
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