Preparing semiconductor quantum dots is sometimes more of a black art than a science. That presents an obstacle to further progress in, for example, creating better solar cells or lighting devices, where quantum dots offer ...
Nanophysics
Jul 10, 2013
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(Phys.org) —Minuscule crystals that glow different colors may be the missing ingredient for white LED lighting that illuminates homes and offices as effectively as natural sunlight.
General Physics
May 24, 2013
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(Phys.org) —Researchers are developing a new type of semiconductor technology for future computers and electronics based on "two-dimensional nanocrystals" layered in sheets less than a nanometer thick that could replace ...
Nanophysics
Apr 16, 2013
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Researchers have discovered a new way of emitting photons one at a time. They have constructed semiconductor nanowires with "quantum dots" of unprecedented quality - a discovery with implications for the future of quantum ...
Quantum Physics
Feb 20, 2013
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(Phys.org)—Acidity (pH) and its changes play an important role in many physiological processes, including protein folding, and can act as indicators of cancer. In the journal Angewandte Chemie, American researchers have ...
Nanomaterials
Dec 14, 2012
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The relaxation of high-energy carriers (electrons and holes) in colloidal nanoplatelets have been measured by researchers in the Nanophotonics Group at the Center for Nanoscale Materials, working with colleagues at the University ...
Nanophysics
Dec 7, 2012
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Films made of semiconductor nanocrystals — tiny crystals measuring just a few billionths of a meter across — are seen as a promising new material for a wide range of applications. Nanocrystals could be used in electronic ...
Nanophysics
Aug 20, 2012
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(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 ...
Nanomaterials
May 10, 2012
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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 by elaborate ...
Nanophysics
Apr 29, 2012
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(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 has been ...
Nanomaterials
Feb 1, 2012
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