News tagged with nanocrystals
Related topics: solar cells , quantum dots
Nanocrystal infrared LEDs can be made cheaply
(Phys.org) -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...
Nanotechnology / Nanomaterials
May 10, 2012 |
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Quantum dots brighten the future of lighting
(Phys.org) -- With the age of the incandescent light bulb fading rapidly, the holy grail of the lighting industry is to develop a highly efficient form of solid-state lighting that produces high quality white ...
Nanotechnology / Nanomaterials
May 08, 2012 |
4.8 / 5 (8) |
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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 |
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First atomic-scale real-time movies of platinum nanocrystal growth in liquids
They won't be coming soon to a multiplex near you, but movies showing the growth of platinum nanocrystals at the atomic-scale in real-time have blockbuster potential. A team of scientists with the Lawrence ...
Nanotechnology / Nanomaterials
Apr 19, 2012 |
5 / 5 (5) |
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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) |
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All-inorganic nanocrystals boost infrared emission
New chemistry has been developed to integrate lead chalcogenide nanocrystals into continuous inorganic matrices of chalcogenide glasses. Inorganic capping, rather than conventional organic capping ligands, ...
Nanotechnology / Nanomaterials
Mar 14, 2012 |
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Scientists learn how to 'out run damage' with imaging technique
Over the decades X-ray crystallography has been fundamental in the development of many scientific fields. The method has revealed the structure and function of many biological molecules, including vitamins, drugs, proteins ...
Feb 21, 2012 |
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Self-assembling nanorods: Researchers obtain 1-, 2- and 3-D nanorod arrays and networks
(PhysOrg.com) -- A relatively fast, easy and inexpensive technique for inducing nanorods - rod-shaped semiconductor nanocrystals - to self-assemble into one-, two- and even three-dimensional macroscopic structures ...
Nanotechnology / Nanomaterials
Feb 01, 2012 |
5 / 5 (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 |
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Nanocrystals go bare: Stripping material’s tiny tethers
(PhysOrg.com) -- Researchers with the DOE's Lawrence Berkeley National Laboratory have discovered a universal technique for stripping nanocrystals of tether-like molecules that until now have posed as obstacles ...
Nanotechnology / Nanomaterials
Dec 09, 2011 |
5 / 5 (4) |
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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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On the road to plasmonics with silver polyhedral nanocrystals
The question of how many polyhedral nanocrystals of silver can be packed into millimeter-sized supercrystals may not be burning on many lips but the answer holds importance for one of today's hottest new high-tech ...
Nanotechnology / Nanomaterials
Nov 22, 2011 |
5 / 5 (3) |
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Novel nanocrystals with advanced optical properties developed for use as luminescent biomarkers
Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...
Nanotechnology / Nanomaterials
Nov 14, 2011 |
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Taking a page from nature to build better nanomaterials
(PhysOrg.com) -- Sometimes nature cannot be improved upon. One example is in the synthesis of nanomaterials, which in the laboratory or factory generally requires toxic chemicals and extreme conditions of ...
Nanotechnology / Nanomaterials
Oct 27, 2011 |
4.8 / 5 (4) |
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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 ...
Oct 12, 2011 |
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